Macdougal's theory
[医] 麦克杜加耳氏学说(生物学)
🧩 词语组成解析
🗣️ 情景例句
When you have nothing to do, time goes slowly.
你没事做时，时间便过得很慢。
He reads a book every day.
他每天都读一本书。
I beg your pardon?Who's climbing the tree?
你说什么？谁在爬树？