氯用来给水消毒。Chlorine is used to disinfect water.给水加热时, 它会变成蒸气.When heated, water changes into vapour.可以毫不夸张地说,有成千上万座混凝土水坝正在供灌溉,给水 、 防洪 、 发电之用.Literally thousands of concrete dams are providing water supply shortage, irrigati...
Body: Hardcoat anodized aluminum, light weight, durable Teflon impregnated, lubricated, maximizes seal life.身体: 硬膜阳极化铝, 重量轻, 耐用的聚四氟乙烯浸渍, 润滑, 密封寿命最大化.Maximizes the most profitable time of year for magicians!最大限度的盈利最多时一年魔术...
...the President's special emissary to Hanoi.派往河内的总统特使He had been engaged in emissary activity before he was discovered.在被发现以前他一直从事间谍活动。Mr. Miller was sent as an emissary for the peace talks.米勒先生被作为特使派遣去参加和平谈判。Yet a...