造句联系：养宠物在很大程度上可以充实业余生活，而且还有助于培养保护动物的习惯。

参考答案：Keeping pets can largely enrich one's spare time ，beneficial to develop habits of protecting animals.

2. 整形手术 plastic surgery

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造句练习：科技的发展, 手术成本的降低，使整形手术走进普通人，但是不能否认整形手术对于健康有一定程度的危害。

参考答案：Plastic surgery becomes available for average people due to better technology and less cost for operation; nevertheless, it is undeniable that the surgery will , to a certain degree, produce side effects on health.

3. 集邮 collecting stamps 或者philately

造句练习：现在，许多传统的爱好在逐步消失，例如集邮。

参考答案： Today, a large amount of tradition has gradually disappeared, for instance philately.