单词	oral fold
释义	oral fold 口褶
随便看	negative-going pulse negative going pulse negative-going reflected pulse negative going reflected pulse negative-goings negative going sawtooth wave negative-going signal negative going signal negative-going threshold voltage negative-going transition negative going transition negative goodwill negative good will negative gradient negative grading negative gravitational anomaly negative gravity negative grid negative-grid bias negative grid bias negative grid characteristics negative grid current negative-grid generator negative grid generator negative grid oscillator 鑑鑒鑓鑔鑕鑖鑗鑘鑙鑚 61834 61835 61836 61837 61838 61839 61840 61841 61842 61843