tentacle和antenna什么区别

antenna 一般指天线和胡须：

Sometimes a creature uses a pair of antennae to swim.

有时某些动物使用其一对触须来游泳。

In our village, there is an antenna on every roof for receiving TV signals.

在我们村里, 每家房顶上都有天线接收电视信号。

tentacle一般指触手触角：

the tentacles of an octopus

章鱼的触须

Many molluscs have tentacles.

很多软体动物有触角。