Jennifer looks overweight recently.Yes. Maybe it's a wake-up call that she should stop eating so much ice cream!wake-up call: 提醒，警告 ……

Tom is sleeping in the classroom. Jack sits next to him.Teacher: Jack, wake Tom up!Jack: You made him fall asleep. You wake him up! ……

把他叫醒吧！Tom is sleeping in the class. Jack sits next to him. Teacher: Jack, wake Tom up!Jack: You made him fall asleep (睡着了). You wake him up! ……

Like people and animals, plants also need sleep. Sunflowers sleep a lot. They always wake up at 10 am. ……

Cats have three eyelids (眼皮).Wake-up Light阳光唤醒灯This Wake-Up Light can wake you up (醒来) in the morning. When the time is up, it will turn on and become lighter and lighter (越来越亮). Then it’s time ……

Running clockIf you have Clocky, you won’t be late for school. When it’s wake-up time, it shouts and runs around your room. ……

Many wake up then look at mobile phonesSource: Dignity Health survey of 2,000 smartphone usersBy Jae Yang and Karl Gelles, USA TODAY ……

Do you need an alarm clock to wake up? Try this pillow（枕头）！“电子叫醒枕”有内置灯光，到点就自动变亮。 ……

熟睡的婴儿
“Shh... Don’t wake him up.” What a big baby! He is sleeping in the grass. 它是英国艺术家马克的一件雕塑作品。Isn’t it lovely! ……

Wife: Wake up! Some thieves have broken into our house. I think they are now eating the food I made last night.Husband: Oh! The we'd better call an ambulance(救护车) ……

wake-up call警钟Natural disasters *displaced 22 million people last year, according to a study issued... for the surge. It’s a wake-up call to the world, the council said. Unless more action is taken, the problem ……

-performance system, at least in some cities.“We have to see this as a wake-up call,” said Arne Duncan, US...,” he said, “America is in danger of falling behind.” ……

to wake you up in the morning. By waking you up during a period of light sleep, the app helps you wake up naturally rested. 21st ……

way – unless you have the new Philips Wake-up Light, which was introduced in a recent Daily Mail...) that it’s not time to wake up yet. The Wake-up Light, however, features a sunrise simulation (刺激 ……

on the World Trade Center and the Pentagon (五角大楼) on September 11, 2001, America has come out of the smoke a very different country. Nearly 3,000 people died on September 11.Suddenly America had to wake ……