砂砾 的中文句子和英文句子

将砂砾和木炭分层以做成过滤器

Layered gravel and charcoal to make a filter.


在结冰的天气，在路上撒上砂砾心免路面太滑。

Grit is spread on roads to make them less slippery in icy weather.


探矿者淘选从河床里挖出的少量含金泥沙和砂砾。

The prospector panned out bits of sand and gravel scooped from the bed of a stream.