成千上万的动物在辽阔的平原上活动构成了令人赞叹的奇观。
The wide plain, with thousands of animals on the move, was an awesome spectacle.
一种新机器可能使成千上万只动物免于药物试验的极大痛苦。
A new machine may save thousands of animals from the agony of drug tests.
一种新机器可能使成千上万只动物免于药物试验的极大痛苦。
A new machine may save thousands of animals from the agony of drug tests.
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