be in a flap 在激动中
a flap in the face 打在脸上的一巴掌
in a flap 激动
a flap about 对于…的激动
a flap from 来自…的拍打
cause a flap 引起激动〔慌乱
give sb a flap 打某人一记耳光
When small creatures swim past, they bend the hairs on the bladder, causing a flap to open.
当小生物游过时,它们会弯曲膀胱上的毛发,导致膀胱瓣打开。
She gets in a flap over the slightest thing.
极小的事也能令她不安。
With a flap of its wings, the bird was gone.
鸟振翅飞走了。
You can train it to flap its wings to escape a situation but it's very difficult to get it to flap its wings for food.
你可以训练鸽子,通过扇动翅膀来脱离某个情境,但却很难通过训练鸽子扇动翅膀来进食。
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