Ecto-enzyme
[医] 胞外酶, 外酶
🧩 词语组成解析
🗣️ 情景例句
You're ahead.
你领先呢。
When it started raining, I was reading books.
当开始下雨的时候，我再看书。
Everyone knows that if he shouts in the vicinity of a wall or a mountainside, an echo will come back.
大家都知道，在墙壁或山腰附近发出的喊声，就会听到回声。