Tom is jealous of anyone who talks to his girlfriend.汤姆妒忌任何与他的女朋友说话的人。

She is jealous of her sister’s good grades.她羡慕自己的妹妹成绩那么好。

journal n.①期刊；杂志②日记，曰志

She works for a trade journal for the car industry.她为一家汽车行业的贸易期刊工作。

He kept a journal for over 50 years, in which he recorded his daily activities and observations about the city where he lived.他坚持写日记超过50年了，他在日记中记录了自己的日常活动，以及对自己所居住的城市的观察。

jungle n.丛林

They found a profusion of trees,vines,and tropical flowers growing in the jungle.他们发现丛林里长着大量的树木、葡萄藤和热带花卉。

jury n.陪审团

The jury could not reach agreement on the criminal’s verdict.对于罪犯的裁决，陪审团无法达成一致。

justify vt.证明…是正当的或有理的；为…辩护

We’ll have to justify the additional expenditure to the Board.我们必须向董事会提供额外开支的理由。

keen adj.锋利的②（感觉、观察、理解等）敏锐的

The keen edge of the razor blade was made of special steel.刹须刀锋利的刀刃是用特殊钢材制成的。

You must have a keen eye to be able to read those numbers at this distance!你的眼睛肯定非常敏锐，不然怎么能看清那么远的数字！

knot n.绳等的）结；（树的）节

Tie a knot in the rope to mark where you stopped.在绳子上打一个结，标记你停留过的地方。

lag vi.落后

Don’t let your son lag behind in the class.不要让你儿子在班级中落后。

landscape n.风景，山水；风景画

Anne sat on a hill and gazed at the landscape around her.安妮坐在山上，凝视着周围的风景。

lane n.(乡间)小路；狭窄的通道；航线

It is very dangerous to drive fast along narrow country lanes.在狭窄的乡村小路上快速行驶是非常危险的。