As the years went by, he and Serena returned each spring to the pond, nested, and had their young.

时间一年年的过去了，他和塞蕾娜每年春天都回到这个池塘，造窝，养育儿女。

O Cyrus returned every spring to help the farmers. Even nowadays, people say, o Cyrus keeps their crops alive.

赛鲁士每年春天都会回来帮助农民 即使在今天 人们还说 居鲁士还养活他们的庄稼。

And the shape of the spring causes internal forces that try to return the spring to its original shape.

弹簧的形状会产生内力，试图将弹簧恢复到原来的形状。

Its bows take the form of a beak, with two large painted eyes evoking the traditional seafarers' belief that the bird's image would help sailors return safely, like the migrants that return each spring and autumn.

船首采用了鸟喙的形状，旁边有两只彩绘大眼，唤起船员们传统的信念，鸟的形象会帮助船员平安归来，如同候鸟每年春秋归来。