Every year new strains of influenza develop.每年都有新的流感病毒出现。They took steps to prevent the spread of influenza.他们采取措施阻止流感的传播.The last attack of influenza has left me rather groggy.上次患流行性感冒后使我至今软弱无力....
从1998年起，将禁止所有倾倒淤泥的行为。All dumping of sludge will be banned by 1998.他把手伸进淤泥里捞摸，结果抓上来一只巨大的蟾蜍。He grabbed into the ooze and came up clutching a large toad.船搁浅在一片淤泥滩上。The boat beached on a mud flat....
They said the present system of military conscription should be phased out.他们说，当前的征兵体系应当逐步废除。All adult males will be liable for conscription.所有成年男子都有义务应征入伍。The reintroduction of conscription sparked off a major rebellion...