Pentandioic acid
[化] 戊二酸
🧩 词语组成解析
🗣️ 情景例句
Are you sure you know where you're going?
你真认识你要去的地方吗？
Omelets are not made without breaking of eggs.
鸡蛋不打破，蛋卷做不成；不甘愿吃苦，则预期效果达不到。
It has been found that certain bats emit squeaks and by receiving the echoes,
人们发现，某些蝙蝠能发出尖叫声，