单词	black-head
释义	black-headBNC²³⁶²¹³⁺¹黑头粉刺
随便看	non directional non-directional non-directional aerial nondirectional antenna non-directional antenna nondirectional antennas nondirectional beacon non-directional beacon nondirectional beacon, NDB non-directional channel non-directional characteristics nondirectional counter non-directional counter non directional current protection non-directional current protection nondirectional detector non directional detector non-directional detector nondirectional diode non directional diode non-directional diode non-directional echo sounding nondirectional hydrophone nondirectionality non-directionality