氮是一种无色无臭的气体.Nitrogen is a gas without colour or smell.纯空气是无色无臭的.Pure air is colourless and odourless.陶艺课采用的陶土是无毒无臭的天然矿物,柔软湿润,可塑性强.The materials used are natural clays any unpleasant smells....
She had suffered severe facial mutilations after an accident.她在事故中被严重毁容。Some reports have contained lurid accounts of deaths and mutilations.一些报道含有对死状和肢解的令人毛骨悚然的描述。...
Vitamin B assists in red-blood-cell regeneration.维生素B可以促进红细胞再生。This chemical assists in construction of muscle, bone and other tissues.这种化学物质有助于建造肌肉 、 骨骼和其它组织.The congregation assists at divine service.会众参加圣礼....