K-shell
[医] K层, K壳(治原子构造)
🧩 词语组成解析
shell
[ʃel]
n. （贝、卵、坚果等的）壳;外壳;炮弹;（人的）表面性格;
vt. 去壳，脱落;炮击;
vi. 剥皮;炮轰;
🗣️ 情景例句
Now that you mention it, I guess I am.
你们一提起来， 我想我也饿了。
How much is the interest a year?
每年利息多少？
Oh, yes, I can see them. But I can't reach them.
噢，是的，我能看见它们。但我够不着。