Usea ladder to reach things high up. See that the ladder is firmly placed, andwhile on a ladder, don't reach too high or too far to one side.

如果要使用梯子拿高处的物品，注意梯子要平稳的放在平整的地面上，站在梯子上不要去拿太高或太远的地方。

youdao

Usea ladder to reach things high up. See that the ladder is firmly placed, andwhile on a ladder, don't reach too high or too far to one side.

如果要使用梯子拿高处的物品，注意梯子要平稳的放在平整的地面上，站在梯子上不要去拿太高或太远的地方。

youdao