bounce up and down 中文意思是什麼
bounce up and down
解釋
躥上跳下-
" bounce " indicates repeated movement up and down, often while jumping on a springy surface.
「bounce」指反復的上下運動,常指接觸面有彈性。 -
Patient : why do you ask me to bounce up and down on my bed
病人:為什麼你讓我在床上上下蹦跳呢? -
Without this shock-absorber action the piston could bounce up and down, causing erratic carburetor action and poor engine performance.
沒有這個減振作用,活塞會上下竄動,引起化油器工作異常,導致發動性能變壞。
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