这里的trap是什么意思?
问题描述：
这里的trap是什么意思?
This is when small amounts of gases in the atmosphere,like carbon dioxide,methane and water vapour,trap heat from the sun and therefore warm the earth.
答
这里的trap的意思应该是
【stop, hold】
再如
these mountains trap rains and fogs generated over the ocean — American Guide Series: California