单词	first number
释义	first number 首位数问题
随便看	double-vane attenuator double vane exhauster double vanishing point double-V antenna double vaporating dishes for plate cultures double vaporating dishes for plate-cultures Double-variable double variable capacitor double variable control Double-Variable Control Theory double variable cut attachment double-variable principle double variables double variables analysis double-variables theory double variant double variation double variation method double variety double vault double vaulted arch bridge double vault tunnel double vbelt double v belt double V-belt