Heptamide
庚酰胺
🗣️ 情景例句
This.
这个。
Constant dropping wears away a stone.
滴水穿石。
The machine was used in a cave near the seashore where -- it is said -- pirates used to hide gold.
在靠近海边的一个据说过去海盗常在里面藏金子的岩洞里，这种机器被派上了用场。