Mesectoderm
中外胚层
🗣️ 情景例句
I would like to live somewhere near the university, or at least on a bus line.
我想住在大学附近，或者至少有公共汽车直达。
Again? ...Still?
又来
Today, although the old Galileo lives on in many popular writings,
今天，虽然已故的伽利略继续活在许多通俗读物中，