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molecule
n.分子
emit
v.发出，放射(discharge, give off)
There is no effective measure to stop cars emitting poisonous gas.
没有有效的措施来阻止汽车排放有毒气体。
diffuse
vt.传播，扩散(scatter, spread)
A drop of milk diffused in the water, and it became cloudy. / The winds diffused the smoke throughout the neighborhood.
一滴奶在水中扩散开来，它变浑浊了。/风把周围的烟吹散了。
vibrate
v.(使)振动，(使)摇摆
The bus vibrated when the driver started the engine.
司机发动引擎时，公共汽车也震动。
precipitate
v.降水
It's supposed to precipitate today, so bring an umbrella.
今天会下雨，所以带把伞吧。
decelerate
v.(使)减速(decrease the speed of)
Many countries are seeking measures to decelerate the arms buildup.
许多国家正寻求措施减缓军备的增加。
cohesion
n.附着(力)；结合
Since Bob's paper had no cohesion and merely listed facts, he received a failing grade.
由于鲍勃的论文不连贯，只是罗列事实，所以成绩不及格。
elasticity
n.弹性
compatible
adj.兼容的(harmonious, congruous)
Is this software compatible with my computer?
这个软件和我的电脑兼容吗？
thaw
v.(使)溶化，(使)融解(melt, defrost)
Last week it was so warm that the frozen pond thawed.
上周天气暖和，结冰的池塘融化了。
