You've damaged my bicycle.You shan't have it again.你把我的自行车弄坏了。你别想再用了。It was very skillful of you to repair my bicycle.你修好了我的自行车,技术真好.My little granddaughter caught her heel in the spokes of her bicycle — it was...
直至今天锗才毫无异议地成为地球上是纯净的物质.Until today germanium is the present substance on earth with no exception.除了硒和汽相沉积的锗和硅之外, 玻璃至少是二原子的.Apart from selenium and vapour - deposited germanium and silicon, glasses are at least diatomic.添...
After Fe - Chelate fertilization rinse the leafs with water.施完螯合铁肥后用清水漂洗叶子.Afterchloroform was evaporated , it was used as chelate complex chromatographic stationary phase to purify puerarin extractive.建立了采用配位色谱柱从葛根素浸膏中分...