Closed shell
[化] 闭壳层; 封闭壳
🧩 词语组成解析
closed
[klozd]
adj. 关闭着的，封闭着的;密闭着的，保密的;<美>准备好了的，定了契约的;
v. “close”的过去式和过去分词;
clos=close关闭+ed已...的→关闭了的
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
You don't mean to tell me that you and ...
你不会是告诉我们你和……
No, that's OK. How much do I own you?
不用了。散热器正常。我要付你多少钱？
I felt very nervous when I went into his office.
我走进他的办公室，感到非常紧张。