你常出汗或是脸上常发烫吗？Do you sweat a lot or flush a lot?还有一些不太常有的设施，包括图书馆和健身房。Other amenities, less commonly available, include a library and exercise room.他们过去常买10公斤重的整块牛肉。They used to buy ten kilos of beef in one lump....
螃蟹的螯the claws of a crab植物由于具有螯合机制可能影响土壤的化学特性.Plants may possibly influence soil chemistry by the possession of chelating mechanisms.确定螯合 -- 溶剂萃取法所得到的检测限颇为困难.It is difficult to define the detection limits obtained by chel...
Material illustrating detailed structure of graptolites has been etched from limestone by means of hydrofluoric acid.表明笔石详细构造的物质是利用氢氟酸从石灰岩中侵蚀出来.The slowness is dissolve in hydrofluoric acid and hot oil ofvitriols.缓慢溶于氢氟酸...