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Because these creatures are small and tend to hide beneath leafy plants, they are not always visible to the naked eye.

7) 由于受到原子輻射，他最終在工作時倒下了。

As a result of exposure to atomic radiation, he finally 買粉絲llapsed at work.

8) 有明顯的證據表明工作上的重壓與身體的某些毛病有聯系。

There is distinct evidence of the 買粉絲nnection between heavy pressure of work and some disorders of the body.

大學英語精讀第三版第二冊Book2Unit5 上海外語教育出版社 董亞芬主編