Qa
abbr. 品质保证（Quality Assurance）；质量评价（Quality Assessment）
🗣️ 情景例句
Oh, it's so exciting, isn't it, Richard?
噢 ，这太令人兴奋了 ，是不是 ，Richard？
Many hands make light work.
人多好做活。
Tramps seem to be the only exception to this general rule.
在这条普遍的规律前面，