单词	N. A. D.
释义	N. A. D. [医] 无明显疾病
随便看	block separation block separation of system block separator block sequence block sequence indicator block sequence weld block-sequence-welding block sequence welding block-sequence welding block sequencing block serial number block serial number error block service block setter block setting crane blocks extensible exchange protocol block shaft block-shaped block-shaped fuel element block-shapeds block shaving machine block shears block sheave blockship block shipment 君试看君试觑君诗秀绝雨园葱君诚中兴主君负纵横才君问归期未有期君问归期未有期君问归期未有期君问穷通理君非叔孙通良庖良弓良弼良心良性良懦良方良晤良月良朋