单词	opacifying effect
释义	opacifying effect 不透光效应
随便看	helicopter tactics helicopter tail rotor Helicopter Tank Destroyer helicopter team Helicopter Team Defense Missile helicopter tender helicopter the President to London Helicopter Threat Target helicopter to the testing ground Helicopter Towed Air-Cushion Barge helicopter towed array support helicopter training Helicopter Training Group Helicopter Training Squadron helicopter training unit Helicopter Transportable Launcher helicopter transport areas Helicopter Trap Weapon Helicopter Tree-Landing Platform helicopter underslung strip helicopter utility squadron helicopter view helicopter views helicopter visual rules Helicopter Weapons System