🧩 词语组成解析
🗣️ 情景例句
I'm not quite familiar with the claim and arbitration in international trade.
我对国际贸易的索赔与仲裁不够熟悉。
He still has a bad cold.
他仍然患重感冒。
when a significant number of people are living permanently in space.
如果有相当数量的人永久性地住在太空，