由于农村的工厂纷纷裁员，人们逐渐流向城市。As rural factories shed labour, people drift towards the cities.我在地图上勾勒出这条河的流向。I traced the course of the river on the map.这条小河弯弯曲曲缓慢地流向大海。The stream meanders slowly down to the sea....
用紫外分光光度法研究了胶原生物矿化的机理.The mechanism of collagen mineralization was studied by ultraviolet photometry method.单细胞 无核原生物,具简单的细胞、刚硬的细胞壁和(能动型的)的鞭毛.A single - celled or multicellular organism whose cells contain a distinct memb...
It gave a metallic clang, like a cracked bell.它发出了金属碰击般的哐啷声，跟破钟似的。He pulled the gates to with a clang.他把大门咣当一声带上了。The iron gate was pulled to with a clang.铁门哗的一声拉上了....