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
Maybe you can photogragh a class,
也许你来拍一次上课的情形，
He's an engineer.
他是工程师。
Our service, so far, has been very well-received by our customers .
到目前为止，顾客对我们的服务质量评价甚高。