What led one ichthyosaur to bite another on the snout is unknown.

是什么驱使一只鱼龙咬另一个鱼龙的鼻口部仍未可知。

I led on the company's annual audit.

由我领导了公司的年度财务审计过程。

In the main loop, you turn the LED on with the line.

在主要循环中，利用下面这行代码打开LED。

One LED sends a light beam to the LED on the other side.

其中一个发光二极管向另一个发出一个光束。

The codification of China's private law should model led on german one.

其次探讨了中国民法法典化的模式，指出应以德国五编制为基础；