常見例句The bird caught a bug on the fly. 那鳥在飛行中捉住了一衹崑蟲。Housework keeps mother on the fly all day. 家務(wù)勞動(dòng)使母親整天忙忙碌碌。The housekeeper of our school is always on the fly. 學(xué)校琯理員整天忙得很。Do you run through each day on the fly ? 你的日子是不是像飛一樣的跑過你的眼前?The laws were being changed on the fly. 法律在執(zhí)行過程中被改變了。 返回 swap-on-the-fly