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
He's poor.
他很穷。
He's on the phone.
他在打电话。
Why not? His home isn't far from here. Let's go.
为什么不呢？他家离这儿不远。我们走吧。