This is strange because the sorts of lab animals the researchers looked attend to be given lots of food and left to nibble at leisure.

这很奇怪，因为研究人员观察的各种实验室动物往往被给予大量食物，且让它们在闲暇时一点一点蚕食。

Let's have lunch so we can talk at leisure.

咱们吃午饭吧，边吃边谈。

You will be able to stroll at leisure through the gardens.

你将能在花园里悠闲地散步。

I am seldom at leisure.

我很少有空闲。

Marry in haste, repent at leisure.

结婚太急，后悔莫及。