Pentendioic acid
[化] 戊烯二酸
🧩 词语组成解析
🗣️ 情景例句
Bye-bye.
再见。
I've already read that book.
我已经读了那本书。
Not only was the meal well below the usual standard, but Bessie seemed unable to walk steadily.
结果，不仅饭菜远不如平时做得好，而且贝西走起路来似乎东倒西歪。