Hexadecanolide
十六内酯
🗣️ 情景例句
Typing is easy once you get the hang of it.
一旦你掌握诀窍，打字就很简单。
We invited two guests to dinner,but they didn't come.
我们邀请了2个客人去吃晚饭，但是他们没来。
Indeed they can have a delightful surprise when they find something useful which they did not know they owned.
确实，一旦无意之中从自己的收藏品中找到某件有用的东西时，可以给人一种惊喜的感觉。