词汇	over class
释义	over class 扩类；母类
随便看	built-in sale built-in scale built-in scales built in sections built in self test built-in self test Built-in self test built-in self-test built-in-self-test built-in self-test, BIST built in self testing built-in self testing built-in self-testing built-in selt-test built-in servicing checks built in sharpener built-in sharpener built in sheave built-in sheave built-in shell variable built in shield segment built-in sideburns trimmer builtin side chain built in side chain built-in side chain