单语范例（未经PONS编辑处理）
The tether suffered a cut 3.7 days after deployment.
en.wikipedia.org Amongst many other detailed safety features, roadwheel tethers are incorporated.
en.wikipedia.org They consist of a sub-surface buoy that is anchored to the sea floor with a flexible line or tether.
en.wikipedia.org It also reflects the ambition to gain wireless access on the go to voice, internet, and content/video without tethering to a network via cables.
en.wikipedia.org This was not a free flight, however, as the aircraft was tethered to a pole at the center of the runway.
en.wikipedia.org