The new territory would extend over one-fifth of Canada's land mass.
这块新领土将会使加拿大陆地面积扩展1/5以上。
In this case, steady precipitation may extend over a long distance ahead of the front.
在这种情形下，稳定性降水可在锋前向前延伸很长一段距离。
But often those who volunteer over-extend themselves and commit to doing more than is reasonable.
但有时候，人们志愿参加的活动超过了他们的能力范围，并做一些并不合理的事情。
They contribute directly to civilization by aiding man to extend his control over nature.
它们协助人类扩大对于自然的控制，所以对文明又有直接的贡献。
They contribute directly to civilization by aiding man to extend his control over nature.
它们协助人类扩大对于自然的控制，所以对文明又有直接的贡献。
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