The steps had been worn away by the feet of thousands of pilgrims.(成千上萬的朝圣者把臺階踏得磨損了。)

A rare tree frog, a mudfish and lizards are among the thousands of species threatened by extinction.(一種罕見的樹蛙，泥魚和蜥蜴都在成千上萬種瀕臨滅絕的動物之中。)

Although many of his specific conclusions have been rejected or modified over the years, his ideas inspired thousands of studies by investigators all over the world.(盡管他的許多具體結(jié)論多年來被拒絕或修改，但他的想法激發(fā)了世界各地研究者的數(shù)千項研究。)

A much greater danger is faced by the thousands of species - including many large, photogenic mammals - living in tropical rainforests.(生活在熱帶雨林的成千上萬的物種-包括許多體積大的上鏡的哺乳動物-面臨著更大的危險。)

Thousands of frogs croaked in the reeds by the riverbank.(成千上萬只青蛙在河岸的蘆葦中呱呱地叫。)

He tipped down in the direction of a herd of white-eared kob, streaming north by the thousands.(他斜拉著飛機(jī)朝一群白耳水羚的方向飛去，它們從北方涌過來，數(shù)量足有幾千頭之多。)

By far the largest cause of this human tragedy is that thousands of employees were heavily overweighted in Enron stock.(到目前為止，造成這場人間悲劇的最大原因，是數(shù)千名員工在安然股票中的持股比例過高。)

Once ingested by a caterpillar, the protein globule dissolves, releasing thousands of viruses, or virions, that after about two weeks multiply enough to fill the entire body cavity.(一旦被毛蟲攝入，蛋白質(zhì)小球就會溶解，釋放出數(shù)以千計的病毒或病毒粒子，大約兩周后這些病毒就會大量繁殖，足以填滿整個體腔。)

The team were greeted by thousands of jubilant supporters.(該隊受到了上千名歡欣鼓舞的支持者的歡迎。)

Officials appealed to householders to open their homes to the thousands of persons made homeless by the storm.(官員們呼吁住戶們?yōu)槌汕先f因這次暴風(fēng)雨而無家可歸的人提供住宿。)