Class-a operation
[电] A类操作
🧩 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
She was still beautiful at the age of forty.
她活到四十岁仍然很美。
A brave retreat is a brave exploit.
勇退即勇绩。
but I could not conceal the fact that I was impressed by the size of the diamonds.
其钻石之大给我留下了深刻的印象。