1.
Cat MTB: 3 laps, each lap 8.5 km, total 25 km. The 1st lap is a the sprint lap.
山地组：3圈，每圈8.5公里，总共25公里，第一圈为冲刺圈。
2.
I had a good start but I lost some positions during the first lap.
起步不错，但第一圈还是落后了几个位置。
3.
(auto racing) the first lap of a car race that prepares the cars for a fast start.
（汽车比赛）汽车比赛的第一圈是为更快做准备。
4.
N0 other rider was able to match Doohan's pace--he was more than 1.5 seconds ahead after the first lap and 5 seconds ahead after 19 laps.
没有人能够追上杜汉--第一圈以后他已是领先1秒5,19圈以后他领先5秒。
5.
It was on the third turn that he saw the fish first.
鱼兜到第三圈，他才第一次看见它。
6.
Place a circle around each mistake. The first one has been done for you.
把每一个错误的用圆圈圈起来，第一个已经为你圈好。
7.
First, you mustn't get a coach, second, you mustn't use a rubber tyre, as you won't learn if you use one.
第一不要请先生，第二不要拿橡皮圈，你搞那个橡皮圈就学不会。
8.
The first stage in the erosion cycle.
侵蚀的初期侵蚀圈的第一阶段
9.
Extreme Values of the First General Zagreb Index in Tricyclic Graphs
三圈图的第一广义Zagreb指标次大、第三大值问题
10.
It's safest to stay well behind the car in front, in case it suddenly stops.
吉姆在头几圈一直落在第一名后面，但最后一圈时突然越过第一名获胜。
11.
Then add in the respective laps: 22, 22, and 68.
它们各自出现在第22圈、第22圈和第68圈。
12.
He will be composing a song named Di Yi Ci to record all the 1st time entering the entertainment circle.
他将自己写一首名为第一次来纪念他的许多在演艺圈的第一次。
13.
Guoup1： We think Pigsty A is1100 square meters big.
（第一组：我们认为猪圈A的面积是1100平方米。
14.
"As they entered the last lap, Thomas was still running second."
当他们跑最后一圈时，托马斯仍位居第二。
15.
The Innovation of the Yangtze River Delta: A Way for the World s Sixth Largest Metropolitan Circle to Rise;
创新长三角:世界第六大都市圈崛起的一条路径
16.
Cat B: 8 laps, each lap 3.8 km, total 30.4 km. The 4th lap is a sprint lap.
组：8圈，每圈3.8公里，总共30.4公里，第四圈为冲刺圈。
17.
Cat B: 4 laps, each lap 8.5 km, total 34 km. The 2nd lap is a sprint lap.
组：4圈，每圈8.5公里，总共34公里，第二圈为冲刺圈。
18.
The number of turns of wire in the secondary coil is the same as the number of turns in the primary.
次级线圈的圈数和初线线圈圈数一样。