单词	石翼龙
释义	石翼龙Stenoptergius
随便看	envelope test envelope theorem envelope threshold detector envelope to cycle difference envelope to cycle difference {= ecd} envelope top envelope topography envelope tracking envelope-- vacuum envelope velocity envelope virus envelope voltage envelope wave envelope wide-scope envelope， beam envelope， electron envelope，en envelope， glass envelope， multiple-walled envelope， pile envelope， protective envelope， pulse envelope， vacuum envelop in enveloping