Blastocone
胚锥, 卵裂锥
🗣️ 情景例句
Hang in there. things will get better.
坚持住，情况会好起来。
Alice, standing tearfully on the platform.
艾丽丝两眼汪汪地站在站台上。
How long have you been at this school?
你到这学校有多么时间了？