Qa
abbr. 品质保证（Quality Assurance）；质量评价（Quality Assessment）
🗣️ 情景例句
and she belongs to Mr. and Mrs. Levinson.
它是Levinson夫妇家的狗。
Do you live up the street?
你在街头居住吗？
'Could I have those two tickets please?' I asked.
“我可以买那两张票吗？”我问。