reachable
adj. 可获得的；可达成的
例句
The farm is only reachable by car.
那个农场只能开车去。
《牛津词典》
All the objects that are "reachable," or alive, are marked.
表和所有“可达的”或者活动的对象。
Add a reachable exit branch to stop the recursive invocation.
添加一个可到达的退出分支以停止递归调用。
