v.用绳子拴住（牲畜）( tether的现在分词 )...

The officer dismounted, tethering his horse to a tree.军官下了马，把它拴到一棵树上。We're often told that the world is tethering on the brink of destruction.我们经常被告知世界处于毁灭的边缘....

tethering的音标：...