He has a great number of English idioms at his command.他掌握了大量的英语成语.A great number of water fowls dwell on the island.许多水鸟在岛上栖息.It affords a livelihood to a great number of people.这给许多人提供了生计....
This organism secretes a few extracellular products including capsular polysaccharide ( CPS ), protease, cytolysin and phospholipase.创伤弧菌会表现许多细胞外的产物,包括荚膜多醣体 、 蛋白酶 、 细胞溶解毒素与磷脂酶.For example, the archegonium ( female organ ...
在小齿轮轴轴轭处拆卸万向节扣夹螺栓.Hold the yoke with Wrench 67 Remove the pinion shaft nut and washer.旋转小齿轮轴轭三次或四次.Rotate the pinion yoke three or four times.在传动轴和传动轴轴轭 、 或小齿轮轴轭上作标记, 作安装的参考标志.Mark the propeller shaft and pinion yoke, or...
他用一块桦木做一只小船.He used a piece of birch to make a small boat.只有杨木和桦木的原木出货高于去年.Only Poplar and Birch log shipments are up for the year.利用均匀设计法优化了微波辅助提取白桦树皮中桦木醇的工艺.The microwave - assisted extraction ( MAE ) of betulin from B...