Rmd
[医][=ratio of midsagittal diameters]中矢状直径之比
🗣️ 情景例句
we don't have to.
我们不必勉强。
He is working on a book about the Vietnam War.
他正在写一本关于越战的书。
Some things are collected deliberately in the home in an attempt to avoid waste.
居家度日，有目的地收藏某些东西是为了防止浪费。