vt.使发怒；使烦恼
Acerb wet verrucous infection is very fast! 尖锐湿疣感染很快！
What is acerb wet verrucous earlier symptom? 尖锐湿疣初期症状是什么？
To this, 9 cities interior feels naturally " acerb " . 对此，九城内部自然深感“酸涩”。
Some sitting implement blow resembles when sailing upstream acerb chirp sound. 有的坐便器上水时就像吹响了尖锐的哨音。
However this is not acerb, the contradiction that cannot coordinate. 然而这并不是尖锐的、不可协调的矛盾。
vt.加重(使 ... 恶化；激怒)
