Over time, this can really add up, especially if you continue to pack on the pounds.

随时间累加，会越来越多，尤其是还继续长胖。

youdao

Junk food is low in nutrition, high in calories and almost guaranteed to pack on the pounds.

垃圾食物营养价值低，卡路里高，而且保证几乎全是大包装的。

youdao

If you've begun to pack on the pounds, your doctor may recommend that you get up and move around.

你要是发胖了，医生准会建议你站起来多走动走动。

youdao

Do people become overweight merely because they eat badly and don't exercise or are there a set of cruel genes that causes them to pack on the pounds?

FORBES: Magazine Article

For those whose weight gain may be due in part to the activity of M. smithii, controlling the organisms with antibiotics or other medications could slow down the rate at which they pack on the pounds, and these individuals could easily be identified with a relatively simple breath test.

CNN: Can you smell obesity?