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
Especially when it comes to speaking in English and fortunately or unfortunately.
特别是要用英文来演讲，不知是幸运还是不幸。
Better be out of the world than out of fashion.
不合潮流不如脱离尘世。
The mummy of an Egyptian woman who died in 800 B.C.has just had an operation.
死于公元前800年的一位埃及妇女的木乃伊刚刚接受了一次手术。