Cholinic acid
[化] 胆碱酸
🧩 词语组成解析
🗣️ 情景例句
How come he never got married?
为什么他不结婚？
I had never seen a grown man break down and cry.
我从未曾看到过一个这么强壮的汉子痛哭失声。
While the men had been working inside the ship, the air-line had been giving off oxygen.
当工人们的在船舱里干活时，供气管一直在排放氧气。