Microdrum
微分筒; 测微鼓轮
🗣️ 情景例句
Floors one to eight are the elevators to the left.
一到八楼上下使用的电梯在左边。
Half a loaf is better than no bread.
半片面包总比没有好；有胜于无。
What are these?
这些是什么？