这也是人在冬天常常会胖个几斤的原因之一。
This is one reason we tend to put on a few pounds of winter weight.
这项研究还解释了为何胖人想要甩掉几斤肥肉是如此的困难。
The findings may explain why it is so hard for fat people to shift the pounds.
在进入大学前的那个暑假，丽莎剪掉了几斤并且似乎决心不再让体重反弹。她变得自信了，她非常开心。
The summer before college, Lara dropped some pounds and seemed determined not to gain them back. Her self-esteem went up and she was happy.
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