Any heteronuclear diatomic molecule must have a dipole moment since its two ends are different.任何异核双原子分子必然具有偶极矩,因为它的两端是不同的.Figure 14.5 and 14.6 show this division for a homonuclear and a heteronuclear diatomic molecule.图...
Rushton has done wonders for the industry.拉什顿创造了行业奇迹。He contrived to keep up appearances to a certain extent before Rushton.他在拉什顿面前竭力振作起精神.Rushton felt rather sick over this affair.拉什顿因这件事很不开心....
The existing bromine in acetic acid could aggravate corrosion on metal hole.醋酸中含溴会加剧金属孔蚀.In other districts the proximity of cemeteries seemed to aggravate the disease.在其它地区里,邻近墓地的地方,时疫大概都要严重些.And remember: Tight shoes c...
我感觉吐吐苦水对我有好处。I feel it's done me good to get it off my chest.雾蒙蒙，寒冷的空气使他脸上感觉很舒爽。The cold, misty air felt wonderful on his face.我感觉到后腰一阵剧痛。I felt a sharp pain in my lower back....
The raindrop, humidified vapor or liquid usually contain minerals that erode the precision parts instrument.雨水 、 湿气、和液体含有矿物质,会腐蚀精密部件.The raindrop was beating against the windowpanes.雨点拍打着窗玻璃.The raindrop falls on my face...
Water can be purified by boiling for five minutes.水煮沸5分钟便可得到净化。She embroidered on this theme for about ten minutes.她围绕这个主题添枝加叶地说了大约10分钟。They sat talking and necking in the car for another ten minutes.他们在车里又坐了10分钟，边说边搂着亲热...