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。

youdao

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

咱们吃午饭吧，边吃边谈。

《牛津词典》

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

你将能在花园里悠闲地散步。

《柯林斯英汉双解大词典》

I brought the text with me. You can look at it now or at your leisure.

我带来了这部作品，你们可以看看，现在或者是有空时。

耶鲁公开课 - 文学理论导论课程节选

One objection is of course that it depends what people do at work and at leisure.

FORBES: What Environmental Benefits Of Working Shorter Hours?

The council said residents from the city centre block could use showering facilities at leisure centres.

BBC: Leeds & West Yorkshire

The pen combined with the true multi-touch capabilities suits a variety of activities whether at work or at leisure.

ENGADGET: N-trig's Digital Pencil plays pen and fingertip roles, claims mastery of both