The cyclist was in collision with a bus.

The taxicab nearly run over a cyclist.

那辆出租汽车差点把一个骑自行车的人压着.

He regarded the two cyclists with some amusement.

他以一种感兴趣的眼光揣摸着这两位骑自行车来的人.

He was brushed against by cyclists.

他被骑车人一擦而过.

Some cyclists carry repair outfits because they may have a puncture.

有些骑自行车的人带修理工具,因为他们车胎可能小孔.

Cyclists who swerve to avoid dogs may fall off their bicyles.

骑自行车转向躲狗的人非从车上摔下来不可.

On the descents, cyclists spin past cars, freewheeling downhill at tremendous speed.

在坡道上，自行车手飞驰着超越了一辆辆汽车，靠着惯性一路疾冲下山。

We met a group of cyclists on a tour in the Lake District.

我们在湖区旅游时碰上了一队骑自行车的人.

Many of the potholes are a danger even to motor vehicles, never mind cyclists.

许多坑洼处甚至给机动车都带来了危险，更别提骑自行车的人了。

In July comes the Tour de France, when 200 cyclists cover a course of 2,000 miles.

7月份迎来了环法自行车赛，200名自行车选手要骑行2,000英里的赛程。

Wearing helmets gave cyclists a false sense of security and encouraged them to take risks.

戴头盔给骑自行车的人一种错误的安全感，怂恿他们去冒险。

He had ridden out of Cambridge, inconspicuous among the hundreds of young cyclists.

他已骑车出了剑桥，淹没在几百名年轻的自行车手当中。

Cyclists please dismount at the gate.

骑自行车出入请下车.

I am brushed against by cyclists.

我被骑车人一擦而过.

The series of steep hills sapped the cyclists'strength.

一连串坡度很大的小山耗尽了骑车人的气力.

Car horns toot as cyclists dart precariously through the traffic.

骑车人危险地在车流中飞速穿行时，汽车喇叭的嘟嘟声响成一片。

Sodium ethylate was used as catalyst in Baker-Venkataraman of cyclization, and all factors were studied.

环合反应采用乙醇钠作为Baker-Venkataraman重排反应的催化剂, 研究了影响反应的各个因素.

Methods: Starting from diethanolamine, BP 897 was prepared via chlorination, cyclization, substitution aminolysis and condensation reaction.

方法: 以二羟乙基胺为起始原料, 经过氯化 、 环合 、 取代、肼解、缩合等反应合成BP897.

Methods: Simvastatin was synthesized from lovastatin via acetylization, methylation, hydrolytic decomposition and cyclization reactions.

方法: 以洛伐他汀为原料,通过酰化 、 甲基化 、 水解、环合等反应合成了辛伐他汀.

The effect of solvents and steric hindrance on the stereochemistry of cyclization is investigated in details.

并且考察了在环合反应中溶剂和空间位阻对立体选择性的影响.

This paper describes the various cyclization reaction by neighboring group participation.

本文总结了邻基参与的各类环化反应.