Qac
abbr. quaternary ammonium compound 季铵化合物（杀菌剂）
🗣️ 情景例句
and we'd cook the hot dogs.
然后烤热狗。
Nothing is really beautiful but truth.
只有真理才是真美。
Together we repeated and repeated words and sentences.
我们一道反反复复地说词语和句子。