Molecular energy levels
[化] 分子能级
🧩 词语组成解析
n. 色阶调整；控制色阶；水平, 标准（level复数形式）
🗣️ 情景例句
but when I received the letter
但是当我收到那封信
Whom will you race with?
你将和谁比赛？
His bike hit the bag of rice and he fell off.
他的车撞到大米上，他摔了下来。