请教一句英文文献? The solution is allowed to stand for 3 days at room temperature, and is then concentrated on the steam bath under reduced pressure (water pump) until spattering makes further evaporation impossible. 请教给位,这里 stand for 3 days at room temperature,是不是要在室温下放置3天反应? 查看更多4个回答 . 2人已关注