Williamson reaction is one important method to prepare unsymmetric ether.Williamson反应是制备不对称醚类化合物的重要方法.Brydon's team-mate Martin Williamson consolidated his lead in the National League when he won the latest round.布赖...
There was a call for moderation on the part of the trade unions.有人呼吁工会保持克制。The accident was caused by negligence on the part of the driver.事故是由于司机的过失造成的。What is needed is a change of attitude on the part of architects.现在...
The store inventories its stock once a month.该商店每月盘点一次存货。The store must clear its winter inventories by April 1 st.该店必须在4月1日前售清冬季存货.In other cases, such as inventories, inputs and outputs are both continuous.在另一些情况下, 比如存...