1．jump v.
（1）跳跃；跃过：
They are jumping a ditch.
他们正跃过一个深沟。
They jumped off the wall and ran off.
他们从墙上跳下去跑掉了。
（2）略去；跳过：
He jumped the first grade in college.
他跳过大学一年级（指跳级直接升入二年级）。
（3）忽然上升；猛增：
They jumped the registration fees from ￡20 to ￡50.
他们把注册费从20英镑涨到50英镑。
His company's profits jumped surprisingly last year.
他所在公司去年的利润令人惊异地飞速增加。
2．sleep
（1）v.睡觉：
He sleeps for only 4 hours every night.
他每夜只睡4个小时。
I was so excited that I could hardly sleep.
我兴奋得无法入睡。
（2）n.睡眠；睡觉：
He had a good sleep last night.
他昨天夜里睡得很酣畅。
