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1·In the course of the experiment, they canle across some.

在实验过程中他们碰到一些新问题。

2·In the course of the experiment, they canle across some new problems.

在实验过程中他们碰到一些新问题。

3·Objective: To observe the therapeutic effects and the reliability of Canle on alcoholic liver disease (ALD).

目的：观察甘乐对酒精性肝病的疗效和安全性。

4·Well, before electricity they wouldn't know electric light, so people burning candle and they ran a canle light.

呃…过去没电的时候，他们还不知道电灯，所以都是点蜡烛照亮的。