常見例句The brook warbled over its rocky bed. 小谿潺潺流過多石的河牀。A film of mucus and bacteria on a tooth surface. 齒菌斑牙齒表麪一層粘液和細(xì)菌的膜She rushed off to work leaving her bed unmade. 她匆忙去上班連牀都沒鋪好。Bacteria are too small to see with the naked eye. 細(xì)菌太小,肉眼看不見。A mosquito netting completely surrounds our bed. 一頂蚊帳把我們的牀完全圍住了。Many diseases are caused by bacteria. 許多疾病是由細(xì)菌引起的。 返回 bacteria bed