They quickly fatten up to become colorful caterpillars.

它们很快就长胖，变成五颜六色的毛毛虫。

Around 80 percent come in underweight and need fattening up.

大约80%的企鹅体重过轻，需要增肥。

She's gonna want to fatten her up first.

她会先把她养肥了。

You know why they're fattening you up, don't you?

“你知道他们为什么让你长胖吗？”

They all want to put out more leaves and fatten up their trunks.

这些树都想长出更多树叶，让树干更粗壮。

Unlike other bears, the panda can't fatten itself up and hibernate through the winter.

不像其他熊类，熊猫无法通过吃胖后冬眠来度过冬天。

With the shorter hunting season out on the ice, polar bears have less time to fatten up.

由于能在冰上捕食的时期较短，这些北极熊积攒脂肪的时间更少了。

These Solomon Islanders hand feed them, not to fatten them up for dinner but to encourage them to stick around.

所罗门岛民亲手喂它们 不是为了养胖它们吃，而是鼓励鳗逗留在此。

Fattening them up like a Christmas turkey.

就像圣诞火鸡一样把他们喂肥。

To survive the winter, hamsters must fatten up.

为了熬过冬天 仓鼠必须长膘。