Root sheath
[医] 根鞘(毛或齿)
🧩 词语组成解析
root
[rut]
n. 根，根源;原因，本质;祖先;[乐]和弦基音;
vt. 使生根;使固定;根源在于;欢呼，喝彩;
vi. 生根;根除;
sheath
[ʃi:θ]
n. 护套;鞘;叶鞘;紧身装;
v. 包，盖;
🗣️ 情景例句
Why don't we get in the car and drive home?
我们何不开车回家？
I'm done.
我不行了。
He may never be sure where the next meal is coming from, but his is free from the thousands of anxieties which afflict other people.
他可能从不知道下顿饭有无着落，但他不像有人那样被千万桩愁事所折磨。