单词	prevertex
释义	prevertex [动] 前头顶
随便看	step delay step delta step diffuser head step diffuser headbox step discharge tube step discontinuity step displacement input step distance step distribution method step disturbance step divide step divider circuit stepdocks stepdown step down step-down step ... down step-down allocation method step-down amplifier step-down converter step down counter step- down counter step-down counter step-down function step down gear 无风树不响，无病不死人无风树不摇无风水面琉璃滑，不觉船移。微动涟漪，惊起沙禽掠岸飞无风浪起。无风草不动无风起浪无风难使舵无风难起尘无食假剔牙无饥无饱，五脏之葆开颜开饭开饷开馆开首弁弁兵弁冕弁言弁髦