常見例句雙語例句So, w\sweeping of floor must be done in the direction moving inwards, and there was no clearance of rubbish at night.因此，瓦特\地面清掃必須在向內(nèi)的方向前進(jìn)，也沒有在 晚上的垃圾清除。 返回 clearance inward