Hexadecenedioic acid
[化] 十六碳烯二酸
🧩 词语组成解析
🗣️ 情景例句
Yes, but the number's no longer in service.
打过，但那个号码是空号。
I don't know where I've seen him before.
我不晓得在哪儿见过他。
Forest fires are often caused by broken glass or by cigarette ends which people carelessly throw away.
森林火灾时常由破碎的玻璃或人们随手扔掉的香烟头引起。