Polycylinder
多柱面, 多圆柱(体)
🗣️ 情景例句
I haven't thought about living anywhere else.
我还没有考虑要住到别的地方去。
To eat dinner
吃晚饭
If they knew how difficult it was to drill through the hard rock, they would lose heart.
如果他们知道了钻透那坚硬的岩石有多么困难，他们会丧失信心的。