在珍珠港事件前，对战争有用的科学知识在英美之间汇聚起来，而许多对我们的胜利的无价帮助也来源于这一安排。
Before Pearl Harbour, scientific knowledge useful in war was pooled between the United States and Britain and many priceless helps to our victories have come from the arrangement.
和一个忠实的朋友是更珍贵无价的珍珠或宝石。
And a faithful friend is considered even more precious than a priceless pearl or a precious stone.
这粒珍珠圆润硕大，在人类而言是无价之宝，可是对珍珠的制造者，死去的蚌来说只是一个带了些痛苦的意外。
The pearl was mellow, full and great, it is a priceless treasure for human, but a accident with pain for died freshwater mussel, maker of the pearl.
这粒珍珠圆润硕大，在人类而言是无价之宝，可是对珍珠的制造者，死去的蚌来说只是一个带了些痛苦的意外。
The pearl was mellow, full and great, it is a priceless treasure for human, but a accident with pain for died freshwater mussel, maker of the pearl.
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