Sluiceway
n. 闸沟, 人造水道
✅ 同义词
🗣️ 情景例句
From ...?
打来的人是……
To have a grandson
有了孙子
Now, this is the chemistry lab. Have you been in this lab before?
好啦，这是化学实验室。你们以前到过这个实验室吗？