Was it long enough to be sure it was a big cat?

这个时间足够确定那是一种大型猫科动物吗？

If you know you're going to be out late, make sure you've got enough money for a taxi to get home again or arrange to stay with friends for the night.

如果你知道你会很晚才回家，确保你有足够的钱打车回家或者和朋友一起过夜。

Robots are currently under a two-year trial in Wales which will train "farmbots" to herd, monitor the health of livestock, and make sure there is enough pasture for them to graze on.

目前，威尔士正在对机器人进行为期两年的试验，他们将训练“农场机器人”来放牧、监测牲畜的健康状况，并确保有足够的草场来饲养他们。

Did everybody know that it's his birthday today? (Laughter.) All right -- has he milked that enough? (Laughter.) I just want to make sure everybody wished him a happy birthday.

WHITEHOUSE: President Obama Speaks at Conference on Conservation