Hecogenic acid
[化] 海柯精酸
🧩 词语组成解析
🗣️ 情景例句
Easy does it, Robbie.
慢慢来， Robbie。
Not really, I'm afraid. We were delayed taking off, and we encountered a lot of bad weather.
不太好，我们起飞延误了，还遭遇了恶劣的气候。
I don't know. I think he's very old.
不知道。我想他年纪一定很大了。