refractive
a. 折射的,有折射力的,屈折的
英英解释:形容词refractive:
1. of or relating to or capable of refraction
同义词：refractile
2. capable of changing the direction (of a light or sound wave)
同义词：deflective
refractivity
n. 折射率差(折射性)
英英解释:名词refractivity:
1. the physical property of a medium as determined by its index of refraction
同义词：refractiveness
refractometer
n. 折射计
英英解释:名词refractometer:
1. measuring instrument for measuring the refractive index of a substance
refractometric:
a. 折射计的
refractometry:
n. 量测折射术
refractor
n. 折射媒体,折射望远镜,折射透镜
refractorily:
ad. 难熔(耐火,难对付)
refractoriness:
n. 耐熔性(耐火性,耐热度)
英英解释:名词refractoriness:
1. the trait of being unmanageable
同义词：unmanageableness, recalcitrance, recalcitrancy
refractory
a. 不听话的,执拗的,难治疗的
词形变化:副词:refractorily 名词:refractoriness 名词复数:refractories
例句与用法:1.The state or quality of being stubborn or refractory.顽固，倔强顽固、固执或倔强的状态或性质
英英解释:名词refractory:
1. lining consisting of material with a high melting point; used to line the inside walls of a furnace
同义词：furnace lining
形容词refractory:
1. not responding to treatment
同义词：stubborn
2. temporarily unresponsive or not fully responsive to nervous or sexual stimuli
3. stubbornly resistant to authority or control
同义词：fractious, recalcitrant
refrain
n. 重复,叠句,副歌
v. 节制,避免,制止
词形变化:名词:refrainer 动词过去式:refrained 过去分词:refrained 现在分词:refraining 第三人称单数:refrains
例句与用法:1.Let's hope they will refrain from hostile actions.希望他们不采取敌对行动。
2.I carefully refrained from looking at him.我留意着避免朝他看。
3.Will you all join in singing the refrain, please?请大家一道来唱副歌好吗?
4.A refrain in which an audience joins a soloist in a song.合唱句，重叠句由一名观众在独唱歌手的一支歌中加入的副歌
5.I wish he would refrain from scattering his ash all over the carpet.我希望他不要将烟灰往地毯上乱弹。
英英解释:名词refrain:
1. the part of a song where a soloist is joined by a group of singers
同义词：chorus
动词refrain:
1. resist doing something
同义词：forbear
2. choose not to consume
同义词：abstain, desist
refrangibility
n. 折射性,折射可能量
refrangible
a. 折射性的,折射力
refrangibleness:
n. 可折射(屈折性)
refresh
v. 使...生气蓬勃,提起精神,恢复精神
词形变化:动词过去式:refreshed 过去分词:refreshed 现在分词:refreshing 第三人称单数:refreshes
例句与用法:1.I refreshed myself with a cup of coffee.我喝了一杯咖啡给自己提提神。
2.Let me refresh your memory with some fact.我来提几件事帮你恢复记忆吧。
3.Just refresh my memory: were you born in York?请再告诉我一次: 你是在约克郡出生的吧?
4.I looked at the map to refresh my memory of the road.我看着地图，想使自己回忆起那条道路。
英英解释:动词refresh:
1. refresh one's memory
同义词：review, brush up
2. make (to feel) fresh
同义词：freshen
3. become or make oneself fresh again
同义词：freshen, refreshen, freshen up
4. make fresh again
同义词：freshen, refreshen
refreshen
vt. 更新(使...清新,使...得到补充)
英英解释:动词refreshen:
1. become or make oneself fresh again
同义词：freshen, refresh, freshen up
2. make fresh again
同义词：refresh, freshen
refresher
n. 复习(使人清新的事物)
例句与用法:1.He go on a refresher course in bookkeeping.他继续学习笔记进修课程。
英英解释:名词refresher:
1. a fee (in addition to that marked on the brief) paid to counsel in a case that lasts more than one day
2. a drink that refreshes
3. a course that reviews and updates a topic for those who have not kept abreast of developments
同义词：refresher course
refreshing
a. 使清爽的,有精神的,爽快的
词形变化:副词:refreshingly
例句与用法:1.There is nothing as refreshing as lemon tea.什麽都不如柠檬茶那样提神.
2.After a refreshing nap, Mr Adams was again his own man.亚当斯先生睡了个好午觉，又恢复了精神。
3.An invigorating, refreshing, or restorative agent or influence.增强物增加活力、精神或帮助恢复的物品或影响
4.The holiday was a refreshing change for us.这次假日别开生面，我们都感到新奇。
英英解释:动词refresh:
1. refresh one's memory
同义词：review, brush up, refresh
2. make (to feel) fresh
同义词：refresh, freshen
3. become or make oneself fresh again
同义词：freshen, refresh, refreshen, freshen up
4. make fresh again
同义词：refresh, freshen, refreshen
形容词refreshing:
1. imparting vitality and energy
同义词：bracing, brisk, energizing, energising, fresh, refreshful, tonic
2. pleasantly new or different
同义词：novel
refreshingly:
ad. 清爽地, 有精神地
英英解释:副词refreshingly:
1. in a manner that relieves fatigue and restores vitality
同义词：refreshfully
2. in a pleasantly novel manner
refreshment
n. 点心,提神之事物,精神爽快
例句与用法:1.They came into the room for some refreshment.他们进屋吃点东西。
2.Light refreshments (eg ice-cream, crisps, chocolate) are available during the interval.中间休息时有些点心（如冰激凌、 炸土豆片、 巧克力）.
3.Refreshments will be available all day long so just help yourself when you're hungry.点心与饮料将全天供应，你们饿时只管随便享用。
4.A hot bath is a great refreshment after a day's work.在一天工作之後洗个热水澡真是舒畅。
英英解释:名词refreshment:
1. snacks and drinks served as a light meal
2. activity that refreshes and recreates; activity that renews your health and spirits by enjoyment and relaxation
同义词：recreation
refrigerant
a. 冷冻的,冷却的,清凉的
n. 清凉剂,冷却剂,冷冻剂
英英解释:名词refrigerant:
1. a substance used to provide cooling (as in a refrigerator)
形容词refrigerant:
1. causing cooling or freezing
同义词：refrigerating |
