But they feed on another kind of fish called the humpback chub.

但它们以另一头鲢的鱼为食。

The chub almost disappeared years ago.

头鲢几年前几乎消失了。

Brian Healy has worked with the humpback chub for more than 10 years.

布莱恩·希利研究头鲢已有10多年。

The humpback chub is an ancient fish that is native to the river but is threatened.

头鲢是一古老的鱼，原产于科罗拉多河，但现在属于濒危物。

Who's poppin' a chub for some grub?

谁在为一些食物而大吃大喝?

However, with water levels dropping, the invasive fish have gotten past the dam and closer to where the chub remain.

然而，随着水位的下降，这些入侵鱼类已经越过了大坝，更靠近鲢鱼的栖息地。

STEP 4 One of the best ways to prevent love chub is not to cuddle on the couch every night. Find a calorie-burning activity that requires a commitment so you're more likely to stick with it.

防止体重增加的最好方法就是晚上不要窝在沙发上。找一项你必须遵守约定的燃烧热量的活动，这样你更有可能坚持。