N-octadecanoic acid
[建] 硬脂酸
🧩 词语组成解析
🗣️ 情景例句
Time moved at a snail's pace before the holiday.
假期之前时间过得非常缓慢。
No. Forget about it. It's not important.
哪儿的话，别提这件事了，那不算什么。
I think she's twelve.
我想她十二岁了。