Olefine acid
[化] 烯酸
🧩 词语组成解析
[化] 烯烃; 链烯烃
🗣️ 情景例句
Did you make any long distance calls this morning, or did you sign for your breakfast?
您今天早上没有打长途电话或吃早餐记账？
Exactly.
完全正确。
The pirates would often bury gold in the cave and then fail to collect it.
海盗们过去常把金子埋藏在那个洞里，可后来却没能取走。