Hexylidene
亚己基
🗣️ 情景例句
I will always remember my college days.
我的大学生活会一直留在我记忆里的。
It's fine once you get used to it.
习惯就好！
Some children can cover the whole length of the pool without coming up for breath even once.
有些孩子能够跑完游泳池的全长而不用露出水面换气。