We skated on the glassy surface of the frozen pond.

He skated a figure of eight in the rink.

他在溜冰场上溜了个八字形.

I had skated on thin ice and, so far, got away with it.

我曾经冒过很大风险，但目前为止侥幸没事。

You want the new tracking numbers before we go public?

我们对外宣布之前你要看看最新的跟踪调查数据 吗 ?

Some special scientific instruments are used for tracking planes.

一些专门的科学仪器被用来监测飞机的行踪.

He got after his sister for tracking mud into the house.

他责备妹妹脚下踩着泥走进屋里.

I followed him, tracking him in the snow until finally he got tired.

我跟着他，在雪地里追踪他，直到他最终体力不支。

The radome causes an angular displacement of the tracking aerial polar diagram.

天线罩使跟踪天线的极图产生了角位移.

Get out of my kitchen. I don't want you children tracking up my nice clean floor!

从我的厨房里滚出去, 我可不想让你们这些孩子把我干净的地板踩脏.

Her help was instrumental in tracking down the criminal.

她的协助对追捕到罪犯起了相当作用.

She has no way of tracking the donor or her half-siblings down.

她没办法找到那个捐精者或她的兄弟姐妹.

" This is like tracking a common cold in the human population, " he said last week.

他上周说, “ 这就像在人群中对付普通流感一样. ”

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。

Tracks led up the mountainside.

小径沿着山坡向上延伸。

The side tracks off the tarred road were rutted and uneven.

柏油路面两边的辅道上布满车辙，凹凸不平。

We'd better make tracks soon, hadn't we?

我们最好马上就走，不是吗？

The thought almost stopped me dead in my tracks.

这个想法几乎让我一下子停步。

Variation among humans is limited to the possible permutations of our genes.

人类的变异受限于我们的基因可能存在哪些排列。

Smell is keener in dogs than in humans.

狗的嗅觉比人的嗅觉灵敏.

the similitude between humans and gorillas

人类和大猩猩的相像

Many music-lovers make pilgrimages to Mozart's birthplace.

很多爱好音乐的人去访问莫扎特的出生地.