Umbellaric acid
[化] 伞二酸
🧩 词语组成解析
🗣️ 情景例句
My mother would take us everywhere, too.
我妈妈也是带我们各处走。
Elbow grease gives the best polish.
只要功夫深，铁杵磨成针。
Most children have such a high ideal of their parents,
大多数孩子对父母估价过高，