Bibliometer
吸水性能测定仪
🗣️ 情景例句
There was a girl on the ferry.
在渡船上有一个女孩。
Hang on, please.
请等一下。
No one could account for the fact that one of the boxes was extremely heavy.
其中有只箱子特别重，可谁也弄不清是怎么回事。