Hollow-cathode tube
[电] 空心阴极管
🧩 词语组成解析
hollow
['hɑlo]
adj. 空的;空洞的;虚伪的;空腹的;
n. 洞，坑;山谷;
vt.& vi. 挖空（某物），变空;挖出（孔、洞）;
adv. 完全，彻底;
cathode
[['kæθəud]]
n. 阴极\\n[化] 阴极
🗣️ 情景例句
Six words.
有六个字。
No one is wise at all times.
人总有一时之失。
They spent a full and very enjoyable morning together, and Fred discovered that he had a gift for making a visit interesting and lively.
他们一起度过了一个充实而又非常愉快的早上，弗雷德发现自己具有导游的才能，能使参观活动变得趣味盎然。