Plasma sheath
[电] 等离子体被覆
🧩 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
Hello, Joanne. Nice to meet you.
好， Joanne。很高兴见到 。
The restaurant is downstairs.
那餐厅在楼下。
He has to take care of his sick mother.
他得照顾他生病的母亲。