单词	textbook research
释义	textbook research 教科书研究
随便看	parachute opening shock parachute-opening shock injury parachute opening shock tolerance parachute opening speed parachute oscillation parachute pack parachute panel parachute panties parachute pants parachute payments parachute pull ring parachuter parachute radiosonde parachute radiostation parachute regiment parachute release parachute response parachute rigger parachute rigging parachute rip cord parachute riser parachuters parachutes parachute section parachute separator 人事不醒人事代谢人云亦云人亡家破人亡政息人亡物在人亡邦瘁人人得而诛之人人皆知人人自危古わたり古イ古ク古クサイ古ス古ヅケ古ナジミ古ナ染ミ古ビル古ボケル