Hexinoic acid
[化] 己炔酸
🧩 词语组成解析
🗣️ 情景例句
When was it built?
它是什么时候建造的？
You can't have it both ways.
你不能兼而有之。
as the wave leaves the particles behind back to its starting point again.
当波浪把微粒留在身后时又回到出发点。