Ostracodes are small animals, most of which have a two valved shell.介形虫是小型动物, 其中大部份都具有两瓣的外壳.A large, valved, brass wind instrument with a bass pitch.大型带活塞的低音铜管乐器.Q 20 : Can a valved respirator be used for protection from...
This program has perspicuous interface and extensive application.该程序界面明了，适用范围广。Such solutions were more manageable, more perspicuous, and more readily used for calculation.这样的解,在计算中是更易于掌握的, 更明白的, 并且是更易于使用的.Simple and suc...
Such laws could protect the consumer from harmful or dangerous remedies.这样的法规可以保护消费者免受有害或者危险药品的威胁。Many remedies effective in joint disease are primarily diuretic.许多对关节病有效的药品主要含有利尿成分。Why do intelligent people find quack r...