Carboxylates
羧化物; 羧化物
🗣️ 情景例句
Because I am still standing here firmily on my feet.
我仍然好端端地站在这里。
My cousin is a member of a flying club, He seem private flying.
我的表兄是一个飞行俱乐部成员，他似乎很喜欢飞行。
You can never turn the clock back.
时光不能倒流。