扇动 shāndòng to flap Origin Definitions Defs Strokes Stroke Words Sentences Sents 1 sentence 它们的翅膀每秒钟可以扇动80下。 tāmen de chìbǎng měi miǎozhōng kěyǐ shāndòng80 xià. Their wings can flap 80 times per second. Source: CCMatrix