该行业一直在努力开发一些可以替代这些气体的无害物质。Industry has been working at developing harmless substitutes for these gases.一种气体的密度the density of a gas你如何计量气体的体积？How do you measure the volume of a gas?...
The power output is now sufficient for operation of hyperspace fold system.现在能量输出足够超空间折叠系统运转.These generators formed the backbone of the Imperial Hyperspace Security Net.这些发生器是帝国超空间安全网的中坚力量.They've just made the jum...
He said anyone giving orders without respecting the wishes of his people is heading for disaster...他说任何不尊重人民意愿而发号施令的人都注定会走向灭亡。One in four people worldwide are without adequate homes...全世界有1/4的人没有个像样的家。We live in a world ...
The waiters stood to attention with napkins folded over their arms.服务员笔直站立着，餐巾折叠着放在他们的手臂上。The boys left their dirty napkins at the table.男孩子们把他们用过的脏餐巾留在餐桌上.She did beautiful needlework and she embroidered table napkins.她...
不带宾语的动词称为不及物动词.Verbs that do not take object are called intransitive verbs.带宾语的动词称为及物动词.Verbs that take object are called transitive verbs.及物动词要有宾语.Transitive verbs take an object....
Everything curdles when you touch it.什么事情只要自己一沾手,就会毛病百出.Lemon juice curdles milk.柠檬汁可使牛奶结成凝乳.Milk curdles.牛奶可凝结。Milk curdles when kept too long.牛奶放置太久会凝结....