Pentendioic acid
[化] 戊烯二酸
🧩 词语组成解析
🗣️ 情景例句
Don't ask why; just do as you are told.
别问为什么， 按要求去做就行了。
You've no ideas how much work there is.
你想象不到工作量有多大。
I know.You must help me do the cooking this afternoon.
我知道。今天下午你得帮帮厨。