一宗交通意外敍述 (中文翻譯英文)e

The driver immediately moved his vehicle backward to avoid an accident (at the front?).

However, he didn't aware that the (rear) platform(台板...指「尾板」？) had been loaded down. So, the platform crashed.

This driver's □avoids having the collision, after then immediately
vehicles but actually, at that time but he certainly has not paid
attention to the platen has laid down, thus has the collision with the
platen.

The driver, in order to avoid a collision, the vehicle immediately reversed, but he was not aware of Taiwan's board has been put aside, thus plate collision with Taiwan.