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?...
“斯蒂芬！”马西娅放声大喊。"Stephen!" shouted Marcia at the top of her voice.马西娅把他称作好朋友。Marcia had referred to him as a dear friend.马西娅苍白无力地一笑，摇了摇头。Marcia smiled wanly and shook her head....
That maths exam I took was a regular brain drain.绞尽脑汁的数学测验,我真是绞尽了脑汁.There is a major brain drain from China to other countries.中国的很多人才外流到国外.This company experienced a serious brain - drain in the competition.在竞争中,这家公司人才流...
A vicious price war between manufacturers has cut margins to the bone.制造商之间的恶性价格战已将利润削减到了最低。Our bone marrow contains fat in the form of small globules.我们的骨髓中含有小球状的脂肪。The bullet lodged in the sergeant's leg, shatteri...
The runners are loosening up their muscles before the race.赛跑前运动员们正在放松肌肉.The ties that bind them together are loosening.将他们紧密联系在一起的纽带正在弱化。The deputy leader is cautious about loosening the links with the unions...该政党的二把手对...