1、track

小道;小徑

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

我們沿著一條崎嶇的山間小路再度出發。

足跡;蹤跡

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

熊貓活動的唯一跡象是它們留在雪地上的足跡。

McKee suddenly noticed tire tracks on the bank ahead.

麥基突然注意到前方岸邊的輪胎痕跡。

(以衛星、雷達等)追蹤…的動向

Our radar began tracking the jets.

我們的雷達開始追蹤噴氣式飛機的動向。

Forecasters are also tracking hurricane Josephine.

氣象預報員也在追蹤颶風“約瑟芬”的動向。

2、pick up

拿起；提起；拾起；撿起

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

他從地板上拾起帽子，重新戴在頭上。

Ridley picked up a pencil and fiddled with it.

里德利拿起一支鉛筆，不停地在手里擺弄著。

（通常指開車）接載，取走

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

我們第二天早晨開車去機場接蘇姍。

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

她去了趟父母家取些干凈衣服。

（不費力地）獲得，學會

Where did you pick up your English?

你在哪兒學的英語？

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

年輕人正在形成毒品有好壞之分的觀念。