Marrows
n. 骨髓（marrow的复数形式）
🗣️ 情景例句
I lost a whole day's work.
我丢掉一整天的工作成果。
That's too good to be true.
天底下哪有这种好事。
It is hard for us to realize nowadays how difficult it was for the pioneers.
我们今天很难想像昔日的登山先驱们是多么艰苦。