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They may also have used wood and skins, but these have rotted away.

他們也可能用過木頭和獸皮，但這類東西早已腐爛殆盡。

adopted by banks, of printing the customer's name on his cheques.

某些銀行已采用把儲戶姓名印在支票上的作法。

if there is any effect of noise upon mental health it must be so small that present methods of psychiatric diagnosis cannot find it.

如果噪音對精神健康有影響的話，那也一定是微乎其微，以致現(xiàn)代的精神病診斷方法還發(fā)現(xiàn)不了。

Since that time, various types of hovercraft have appeared and taken up regular service.

從那以后，各種各樣的氣墊船出現(xiàn)了，并開始了定期航行服務。

Parents would be greatly surprised and deeply touched if they realized how much belief their children usually have in their character and infallibility,

那么家長會大為吃驚和深受感動的，如果家長意識到孩子們通常是多么相信家長的品行和絕對正確，

at eighty can knock us out, and into our grave.

能到了80歲可能會使我們一蹶不振而進入墳墓。