And the time... the moment that I pull this string the apple will fall, the contact will open, the clock will start.

我一拉绳子。，苹果就会往下掉，计时装置，也就会启动。

youdao

And the time... the moment that I pull this string the apple will fall, the contact will open, the clock will start.

我一拉绳子。，苹果就会往下掉，计时装置，也就会启动。

youdao