Myelin sheath
[醫] 髓鞘
?? 詞語組成解析
[化] 髓磷脂\\n[醫] 髓磷脂; 髓鞘質
sheath
[?i:θ]
n. 護套;鞘;葉鞘;緊身裝;
v. 包，蓋;
??? 情景例句
Susan called early this morning. Susan
一大早打電話來。
This part of the country is very heavily populated.
這個國家這一部分人口很密集。
Yes, they are.
是的。