1、track

小道;小径

We set off once more, over a rough mountain track.

我们沿着一条崎岖的山间小路再度出发。

足迹;踪迹

The only evidence of pandas was their tracks in the snow.

熊猫活动的唯一迹象是它们留在雪地上的足迹。

McKee suddenly noticed tire tracks on the bank ahead.

麦基突然注意到前方岸边的轮胎痕迹。

(以卫星、雷达等)追踪…的动向

Our radar began tracking the jets.

我们的雷达开始追踪喷气式飞机的动向。

Forecasters are also tracking hurricane Josephine.

气象预报员也在追踪飓风“约瑟芬”的动向。

2、pick up

拿起；提起；拾起；捡起

He picked his cap up from the floor and stuck it back on his head.

他从地板上拾起帽子，重新戴在头上。

Ridley picked up a pencil and fiddled with it.

里德利拿起一支铅笔，不停地在手里摆弄着。

（通常指开车）接载，取走

We drove to the airport the next morning to pick up Susan.

我们第二天早晨开车去机场接苏姗。

She went over to her parents' house to pick up some clean clothes.

她去了趟父母家取些干净衣服。

（不费力地）获得，学会

Where did you pick up your English?

你在哪儿学的英语？

Young people are picking up ideas about good drugs and bad drugs.

年轻人正在形成毒品有好坏之分的观念。