Amnion ring
[医] 羊膜环
🧩 词语组成解析
n. 羊膜\\n[医] 羊膜
ring
[riŋ]
n. 戒指，指环;铃声，钟声;环形物;拳击场;
vt. 形成环状;环绕;使（例如铃）响;打电话给;
vi. 按铃，敲钟;回响;成环形;
🗣️ 情景例句
to read to the students--their own children, really.
共同为学生们， 其实就是他们自己的孩子， 朗读
I asked him to buy it for me, but he wouldn't.
我请他帮我买，但是他不肯。
OK. While you're doing that I'll go and get some water.
好的。你系小树，我去弄点水来。