Prodromus
前驱症状
🗣️ 情景例句
where we had our meals ...
我们用餐的地方……
There are always two sides to everything.
每件是都有两面性。
They may also have used wood and skins, but these have rotted away.
他们也可能用过木头和兽皮，但这类东西早已腐烂殆尽。