Neoflavonoids
新黄酮类聚合物
🗣️ 情景例句
Good idea.
好主意。
This stain is really stubborn.
这污垢去不掉。
Sparks were emitted from small black boxes and red lamps flashed on and off angrily.
小黑盒子里迸出火花，红色灯泡发怒似地忽明忽暗。