Ectosac
[医] 外膜, 外囊(卵)
🗣️ 情景例句
Take the time to be there for your children and they will grow up into responsible young adults.
花点时间陪伴你的小孩，他们会成长为有责任心的人。
Do well is better than say well.
说得好不如做得好。
Those flowers are lovely, too.
这些花也很漂亮啊。