Methanedicarbonic acid
[建] 丙二酸
🧩 词语组成解析
🗣️ 情景例句
I'm afraid the cardboard boxes are not strong enough for transport by sea.
我担心这种纸箱，用于远洋运输，不够结实。
Excuse me for bothering you.
打扰了！
that misfortune might overtake us if the important events of our lives were not related to it.
要是我们不把生活中的重大的事件告诉那条河，就可能大祸临头。