Cathodal opening contraction
[医] 阴极断电收缩
🧩 词语组成解析
a. 阴极的\\n[医] 阴极的, 负极的
opening
['opənɪŋ]
n. 开幕，开始;空缺的职位;[商]开盘，交易开始时间;（职位的）空缺;
adj. 首次的，开始的;
v. （打）开( open的现在分词);开始;睁开;启动;
open 开；开始+ ing 名词后缀 → 开始的\r\n
contraction
[kən'trækʃən]
n. 收缩，缩减;[语]缩略，略体，缩写;（开支等）缩减;（分娩时）子宫收缩;
🗣️ 情景例句
Just because you major in English, don't think that you will have mastered real English.
不要以为你是英语专业的就能精通“真正”的英语。
As soon as you have drunk, you turn your back upon the spring.
忘恩负义。
On, hello, Bruce! How are you?
噢，喂，布鲁斯！你好吗？