Elementary reaction
[化] 元反应
🧩 词语组成解析
🗣️ 情景例句
Yes, Mr. Carlson. Yes, sir.
是的 ，Carlson先生。好， 先生。
Sound love is not soon forgotten.
爱深难忘。
Paw prints were seen in a number of places and puma fur was found clinging to bushes.
在许多地方看见爪印，灌木丛中发现了粘在上面的美洲狮毛。