251.forensic medicine ： 法医学

The use of medicine in solving legal problems.

利用医学解决法律问题。

Many crimes could not be solved without using forensic medicine.

没有法律，很多犯罪案件无法结案。

252.forgery ：伪造

The act of creating a document, either written or printed, with the intent to defraud. Forgery also covers counterfeiting, or producing fake signatures, works of art, etc.

以欺骗为目的而仿制手写或印刷文件的行为。伪造还包括制假钱币、仿冒签名和艺术品等。

253. gamble ： 赌博

To bet or wager money on games of chance, races, etc.

在概率类游戏或比赛中打赌或下注。

Burt lost $ 3000 gambling in Las Vegas over the weekend.

伯特周末在拉斯维加斯赌博输了 3000 美元。

254.gang ： 黑帮

A group of people organized to achieve some common goal. Gangs are often involved in drugs, violence, money lending,prostitution, etc.

为达到某种共同目的而组织起来的一群人。黑帮常常涉嫌毒品、暴力、高利贷和卖淫等。

Gangs often have automatic weapons more powerful than the police in many large U.S. cities.

在美国的许多城市里，黑帮常配备有自动武器，其火力强于警方。

255.hijack ： 劫持

To seize control of an airplane, boat, automobile, etc.

强行控制飞机、船只、车辆等。

Terrorist just hijacked a plane to Cuba.

恐怖分子刚刚动持了一架飞往古巴的飞机。