Qaing
(qa 的现在分词) abbr. 品质保证（Quality Assurance）；质量评价（Quality Assessment）
🗣️ 情景例句
A whole day's work.
一整天的成果呀。
Who keeps company with the wolf will learn to howl.
近朱者赤，近墨者黑。
This is done by a great number of ring-shaped air jets on the bottom of the craft.
船底装上大量环状喷气嘴以实现这一目的。