Reaction substance
[医] 反应质, 作用物
🧩 词语组成解析
🗣️ 情景例句
If you really mean it,
假如你是说真的，
I asked you if you wanted some help.
我是问你是否需要帮忙。
The first question to answer is whether a planet can actually support life.
第一个需要解答的问题是一颗行星是否有能够维持生命的条件。