Agathen acid
[化] 贝壳杉酸
🧩 词语组成解析
🗣️ 情景例句
They had no way to communicate directly with Kurt.
他们无法和库尔特直接联系。
I woke up early and got up at 6 o'clock.
我早醒来并且在6点钟起床了。
We have learnt to expect that trains will be punctual.
我们已经习惯于相信火车总是准点的。