...助絮凝剂 flocculant aid 努力 am at pains ;are at pains ;is at pains ;made an attempt at ;made an attempt to ;make an attempt at ;make an attempt to ;make an effort to ;make ef...
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We are at pains to learn English well.
我们正在努力学好英语。
So they strive to earn money, and are at pains to collect all kinds of books.
为此他们努力赚钱,用心收集各种图书。
But its exiled leaders, as elsewhere in the Middle East, are at pains to promote a non-violent vision.
但是该组织流亡的领导人,如同在中东的其他国家,正在全力推展一个非暴力的愿景。
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