Methanoic acid
[化] 甲酸
🧩 词语组成解析
🗣️ 情景例句
The airport rescheduled a flight.
机场改变了航班时间。
Come in,please.
请进！
and often are foolish enough to let the adolescents see that they are annoyed.
而且愚蠢地让孩子看出自己的烦恼。