单词	photon momentum
释义	photon momentum 光子动量
随便看	keep our fingers crosed keep our head above water keep-out keep out keep-out area keep out of keep ... out of keep out of debt keep out of mischief keep out of sight keep out of someone's way keep out of the sun keep out of the way keep out pollen from other varieties Keep-Out Zone keep over night keep pace keep pace (with) keep pace with keep pace with the times keep pace with world market levels keep part of the foreign exchange earnings keep ... peace keep peace between keep peace with 百虑一致百虑攒心百衣百随百计千心百计千方百计千谋百读不厌百谋千计百足不僵百足之虫 soutien collar soutiencollar souvenir sovkhoz Sovyet SP spa space space shuttle spade