用作定语
▲～+n.
We entered a dense forest.我们进入一片浓密的森林。
Some dense substances allow electricity to flow through them freely.有些密度大的物质容易让电流通过。
用作表语
▲S+be+～
The fog was very dense.雾很浓。
He is so dense, he'll never understand your message.他很笨,绝不会理解你的意思。
▲S+be+～+prep.-phrase
The corridor was dense with people.走廊里挤满了人。
▲S+be+～+that-clause
The crowd is so dense that we could hardly move.人群拥挤得令我们移不开步。
