单词:treadmills
n. a mill that is powered by men or animals walking on a circular belt or climbing steps
n. a job involving drudgery and confinement
单词:treadmills 相关文章
According to the Association for Pet Obesity Prevention, over half of the dogs in America are overweight. Compared to five years ago, that is almost a 40 percent increase. As you might expect, the extra weight can be just as harmful for dogs as it is
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