Qa
abbr. 品质保证（Quality Assurance）；质量评价（Quality Assessment）
🗣️ 情景例句
That's us, Susan.
那正是我们， Susan。
I'd rather have some tea,if you don't mind.
我想要一些茶,如果你不介意。
I heard some one laughing.
我听见有人在笑。