built-in obsolescence 什么意思?

built-in built-in是什么意思 built in display是什么意思 built-in iSight是什么 什么是built-in-telephone? 英语翻译built-in sensor interface It was built in 1078. built-in obsolescence 什么意思? a new gymnasium is being built in our neighborhood is being built 为什么不用built为什么不用is built rome was not built in a rome is not built in a Rome wasn’t built in a day. Rome wasn't built in a The first factory was built in _____ Room is not built in one day Rome is not built in a day the house was built in the failed to register built-in motion tracker