Shí / yàn / zhōng / hóng / xī / guǎn / kě / yǐ / bāng / zhù / yè / tǐ / cóng / gāo / chù / liú / xiàng / dī / chù实验中,虹吸管可以帮助液体从高处流向低处。In the experiment, a siphon helps liquid flow from a higher place to a lower one.