ķٻ籩, ĳһео. 籩Ҳнľ, Եзӵƻǿ. ƶѸٵĵоҲܹ籩, 籩ȻǷΧ, ȴ޷ƶ.

Ҫٻ籩, ĻϷ [籩] ͼʾϰ, ȻҪ籩ĵص㰴. , Ҫ<link="topic:line of sight"></link>֮.
