Umbellonic acid
[化] 伞酮酸
🧩 词语组成解析
🗣️ 情景例句
I should have saved some money.
我早该存些钱。
Please answer the door.
请去开门。
He tried to escape but was followed and caught.
他曾经试图逃跑，但是被人追上来抓住了。