Ectoderm
n. 外胚层, 外层\\n[医] 外胚层
🗣️ 情景例句
That sounds fantastic. Where do I go to sign up for that tour?
那听起来好极了。我到哪里去报名参加呢？
Chains of gold are stronger than chains of iron.
金链锁人比铁炼更牢靠。
Congratulations! The girls did very well, too.
祝贺你们！女同学也做得很好。