Cholinic acid
[化] 胆碱酸
🧩 词语组成解析
🗣️ 情景例句
Is it all right if I use a letter of credit?
如果我使用信用证，没关系吧？
Men may meet but mountains never.
人生何处不相逢。
Half an hour later, another man struck a match for a cigarette and this time the whole of the inside of the ship caught fire.
半小时后，又一个工人擦亮火柴想点支香烟，这下整个船舱都起了火。