Planck's theory
[医] 普朗克氏学说, 量子论
🧩 词语组成解析
🗣️ 情景例句
I had planned to wear them.
我早就预备戴它们。
Don't fly till you wings are feathered.
羽毛未丰不要飞。
You'd better not go inside. There might be snakes.
你最好不要进去。说不定有蛇呢。