Germ wall
[医] 胚壁
🧩 词语组成解析
🗣️ 情景例句
We've only been here for a day,
我们到这里仅仅一天，
How often do you go swimming?
你多久去游一次泳？
Look into the river, said the monkey. There he is! See his head?
“往河里看，”猴子说，“他就在那里！看见他的头了吗？