订购家具前请准确测量房间尺寸。

Please measure the room ___accurately before ordering furniture.

要准确预测一周以后的天气很困难。

It's difficult to predict the weather ___accurately more than a week in advance.

这位历史学家根据确凿证据准确地描述了事件。

The historian described the events ___accurately based on solid evidence.