Hexynic acid
[化] 己炔酸
🧩 词语组成解析
🗣️ 情景例句
but it's not about me.
但这不是关于我自己的事。
Sound love is not soon forgotten.
爱深难忘。
Aeroplanes have the reputation of being dangerous and even hardened travellers are intimidated by them.
飞机以危险而著称，连老资格的旅行者也怕飞机。