Qa
abbr. 品质保证（Quality Assurance）；质量评价（Quality Assessment）
🗣️ 情景例句
Grandpa, Ellen, Philip, Robbie, you and me.
爷爷 Ellen Philip Robbie 你和我。
Has everybody got a sheet?
每个人都拿到材料了吗？
Thanks very much. Bye.
太谢谢你了。再见。