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
It was only a tummy ache.
仅仅是肚子有点痛。
I don't think so.
我可不这么想。
but it's too small for me.
可是对我来说太小了。