50.it is dangerous to alter course to port side.

向左转向是危险。

For example, many airports began to favor traffic  patterns consisting of easier left turns.

例如，许多机场开始青睐更容易左转交通模式。

Now listen out for a slightly different way of telling someone to turn left or right.

现在来听一下告诉别人左转右转时不同表达。

Now listen out for a slightly different way of telling someone to turn left or right.

现在来听一下告诉别人左转右转时不同表达。

I started to turn to my left. There is a break in my memory here.

我开始朝左转。这里我出现了断裂。

When they reached his cabin, Hermione turned automatically left towards the front door.

当他们来到他小屋时，赫敏不自觉地向左转，朝小屋前门去。

Which of these would be a correct way of telling someone to turn left: 'Take a left' or 'Have a left'?

告诉别人左转正确句子应该是哪个呢，是‘Take a left' 还是‘Have a left'。

His modification just happened to coincide with enhanced left-hand turning performance.

他修改恰好与增强左转性合。

Emma, if you turn to your left on this plasma TV, you'll see a man asking you a question.

艾玛，请你左转，荧幕上这位老兄要问你一个问题。

It has granite blocks that slow vehicles as they're making that left turn.

它有花岗岩块，可以在车辆左转时减慢车辆速度。

A dim green glow came alive ahead, revealing the steps and rock walls, a turn to the left.

一道昏暗绿色光芒在前方活跃起来，露出了向左转弯台阶和岩壁。

A police officer in Shanghai died this week after trying to stop a vehicle which had made an illegal left-turn at an intersection.

本周，上海一名警察在执勤纠正一辆在十字路口违规左转车辆时牺牲。

Their left-turning torque functioned in this way because most aircraft propellers at the  time spun clockwise.

它们左转扭矩以这种方式起作用，因为当时大多数飞机螺旋桨都是顺时针旋转。

They're right-handed with only rare exceptions, and when by chance a shell's spiral is left-handed, collectors will pay its weight in gold for it.

贝类纹基本是右转，很少有例外，偶然有贝纹是左转。爱好人便以黄金重阶来收买了。

When they turned the combination lock, he tried to learn the figures and the number of turns they made to the right and left.

当他们转动组合锁时， 他试图了解数字和他们向右和向左转圈数。

So you got to open the doors, go through the primate house, and then you need to turn left at the reptile house and loop around.

所以你要打开门，穿过灵长类动物家，然后你需要在爬行动物家左转，然后绕一圈。

Certainly, miss. Just go through the main door, turn left, walk down to the end of the corridor, and it's the last door on the right.

当然可以， 小姐。 穿过正门， 左转，到廊尽头， 就是右边最后一扇门了。

The car in front of my bike wanted to turn left, but the driver did not use his to turn signal and stopped suddenly. He almost caused an accident.

我自行车前面车想左转，但是司机没有用他转向灯，突然停下来。他差点造成事故。

They had to jog to keep up with him as he strode across the lawn, looking around with every other step. When they reached his cabin, Hermione turned automatically left towards the front door.

他们必须小跑着才跟上他，他大步穿过草地，每两步就要看看四周。当他们来到他小屋时，赫敏不自觉地向左转，朝小屋前门去。