6039.toxic(形)有毒的
同义词poisonous
When spilled into the sea,oil can be toxic to marine plants and animals.
石油溢出海洋就有可能危害海生动植物。

6040.trace(动)追踪、迫朔
The practice of giving eggs at Easter can be traced back to festivals in anciant China.
复活节送蛋的习俗可以追溯到中国古代的节庆。

6041.track(名)痕迹；轨道(动)追踪
(名): We followed the bear's tracks in the snow.
我们跟着熊在雪地上留下的足迹走。
(动): We continued tracking the plane on our radar.
我们继续用雷达追踪那架飞机。

6042.tract(名)广大的土地
A tract of territory had been sliced away.
领土被割去了一块。

6043.tractor(名)牵引车、拖拉机
A tractor wat pounding down the road.
一辆拖拉机沿着道路隆隆地驶过去。

6044.tradition(名)传统
My parents did their best to keep up the family tradition．
我的父母为了保持家庭的传统竭尽全力。

6045.traditional(形)传统的
It's traditional in America to eat turkey on Thanksgiving Day.
感恩节时吃火鸡是美国的传统。

6046.traditionally(副)传统上地
The festival is traditionally held in May．
这个节日按照传统是在五月份过的。

6047.tragedy(名)悲剧
反义词comedy
It's a tragedy that she died so young.
她英年早逝是一大悲哀。

6048.tragic(形)悲剧的、悲惨的
同义词disastrous
The tragic accident caused by gas leak took the whole family lives.
在煤气泄露引起的悲惨事故中全家人丧生。

6049.trail(名)足迹；小道(动)跟踪
(名):I like to walk along a trail in the forest.
我喜欢漫步于林间小道。
(动):The police trailed the thief.
备案跟踪小偷。

6050.trait(名)特点
同义词feature
Mary's trait is energetic.
玛丽的特点是精力旺盛。

6051.traitor(名)卖国贼
He was seen as a traitor to the socialist cause.
他被视为社会主义事业的叛徒。

6052.transact(动)办理；交易：淡判
They'll transact with the enemy for truce.
他们将与敌方谈判停火事宜。

6053.transcend(动)超越
His latest symphony transcends anthing he has ever written before.
他最近的一首交响曲胜过他过去的所有的作品。

6054.transfer(动)转移；调动(名)调动
(动):He has transferred from the army to the navy.
他从陆军调到海军。
(名):Manchester United reached the agreement last week with Real Madrid over the transfer of Beckham．
上周，曼联与皇马就见克汉姆的转会达成了协定。

6055.transform(动)转变
This place originally a small town, has been transformed into modern city.
这个地方原先是个小镇，现在已经变成一座现代化的城市。

6056.transformation(名)转变
What a transformation! You look great.
真是判若两人！你看上去好极了。

6057.transit(名)运送：通行
The cost includes transit．
成本中包括运费。

6058.transition(名)过渡期
The transition from a planned economy to a free market economy will be difficult.
从计划经济转变为市场经济不是件容易的事。

6059.transport(动)运输
Most of our luggage was transported by sea.
我们的大部分行李都是海运的。

6060.transportation(名)运输
The city is providing free transportation to the stadium from downtown.
这城市现在提供从市中心到体育场的免费交通。

6061.trap(动)使困住
The bear was trapped．
那只熊落入了陷阱。

6062.tray(名)盘子、托盘
He brought her breakfast in bed on tray.
他把早餐用托盘送到她的床上。

6063.treasure(动)珍惜
The managar treasured manpower and material resources very much.
这位经理很爱惜人力物力。

6064.treasurer(名)出纳
Please send remittance to the treasurer．
请将汇款送给出纳员。

6065.treat(动)对待、款待(名)请客；乐事
(动): Treat your keyboard with care and it should last for years.
小心使用你的键盘，这样就可以使用很多年。
(名):We took the kids to the zoo as a special treat．
我们把带孩子们去动物园当作难得的乐事。

6066.treatment(名)处理；治疗
He is receiving treatment for shock.
他正在接受休克治疗。

6067.treaty(名)条约
Under the terms of the treaty, La Rochelle was caded to the English.
根据这个条约的条款，拉罗谢尔割让给了英国人。

6068.trend(动)倾向(名)趋势；河流的走向
(动):Share prices have been trending down.
股票价格一直趋向下降。
(名):She always follows the latest trends in fashion．
她总是追求最新的流行款式。

6069.trial(名)试验(形)试验的
同义词experiment
(名): Inverntions and innovations almost always come out of laborious trial and error.
岌明创造总是来自辛勤的试验和不断的错误之后。
(形):He was hired for a three month period on a trial basis．
他受雇试用三个月。

6070.triangle(名)三角形
Cut the sandwiches into triangles．
把三明治切成三角形。