He questioned Chrissie, and listened attentively to what she told him.他询问了克里茜，并仔细聆听她所说的话。She listened attentively while I poured out my problems.我倾吐心中的烦恼时,她一直在注意听.She listened attentively and set down every word he said....
Magnesium is involved as a cofactor in many enzyme transfers.镁是许多酶转变的辅助因素.Many enzymes will not work without the presence of an additional nonprotein substance called a cofactor.许多酶如不外加一种叫做辅助因子的非蛋白质物质就不能工作.Magnesium is c...
The architect supervised the building of the house.建筑工程师监督房子的施工。Equipment must be supervised if children are in the house.如果孩子们在屋里，必须有人监管设备。He supervised and trained more than 400 volunteers.他指导和培训了 400 多名志愿者。Learner dri...