Neumann's sheath
[医] 诺伊曼氏鞘, 牙质小管鞘
🧩 词语组成解析
sheath
[ʃi:θ]
n. 护套;鞘;叶鞘;紧身装;
v. 包，盖;
🗣️ 情景例句
once you get to know them.
一旦认识了周围的人以后。
We can't rely on him.
我们不能依赖他。
but since the porter agreed with him,
但既然看门人也同意他的意见，