Ion sheath
[电] 离子鞘
🧩 词语组成解析
ion
['aiən]
n. <物>离子;
sheath
[ʃi:θ]
n. 护套;鞘;叶鞘;紧身装;
v. 包，盖;
🗣️ 情景例句
Thanks. Excuse me.
谢谢。失陪一下。
Do you think you could keep the noise down?
你看能不能小声一些？
'At ten to eight.I bought a paper and waited for the train.'
“7点50分。我买了张报纸，等着车来。”