| 释义 |
- 水牙线：一种用水流清洁牙齿和牙龈的家用电器，可以有效地清除牙缝中的食物残渣和细菌。
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It picks up speed when swimming, and leaps out of the water. 在游泳的时候它们加快速度，以超乎寻常的速度冲出水面。 - 2
As water flows along the ground, it picks up sand, pebbles, even boulders. 雨水沿着地面流动时，夹带了泥沙、卵石，甚至大圆石。 - 3
"It is based on acoustics and temperature, so it basically picks up the noise of the water as it runs through the pipe, " Dr Hendrickx explained. 它的工作原理基于声音和温度，总体上是采集水流过水管时的杂音，同时也记录下温度的变化。
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