Pentadecylene diacid
[化] 十五烯二酸; 十五碳烯二酸
🧩 词语组成解析
n. [化]二酸\\na. [化]二价酸的, 二酸的
🗣️ 情景例句
We'll know when tonight's papers come out.
今晚的报纸出来的时候， 我们就知道了。
Why are you standing behind the door?
你为什么站在门后？
but children were then too cowed to let them know how they really felt.
孩子们只不过被吓得不敢让父母知道自己的想法罢了。