Dentinal sheath
[医] 牙质小管鞘, 诺伊曼氏鞘
🧩 词语组成解析
牙(本)质的
sheath
[ʃi:θ]
n. 护套;鞘;叶鞘;紧身装;
v. 包，盖;
🗣️ 情景例句
The leader takes the first ten cards
指挥拿出上面的十张牌，
This is an identification card.
这是一张身份证。
When a light passenger plane flew off course some time ago, it crashed in the mountains and its pilot was killed.
不久前，一架轻型客机偏离了航线，在山区坠毁，飞行员丧生。