All the royal cars are fitted with electronic homing devices.所有的皇家轿车都装有电子自导引装置。Many birds have a remarkable homing instinct .很多鸟类具有了不起的返回原地的本能。Then the pigeons flew into thick fog, and the famous homing instinct failed.然...
Electronic equipment quickly becomes obsolescent.电子设备淘汰得很快.This word is now obsolescent.这个字现在已废弃不用了.This type of computer is obsolescent.这类计算机是快要过时的....