Class-a amplifier
[电] A类放大器
🧩 词语组成解析
class
[klæs]
n. 班;等级;阶级;种类;
vt. 把…归入某等级，把…看作（或分类、归类）;把…编入某一班级;
adj. 很好的，优秀的，出色的;
vi. 属于…类（或等级），被列为某类（或某级）;
🗣️ 情景例句
It has six words.
有六个字。
I think the teacher works us too hard.
我觉得教师害得我们太苦了。
When he got married, Alf was too embarrassed to say anything to his wife about his job.
艾尔弗结婚时，感到非常难为情，而没有将自己的职业告诉妻子。