antigravitational gradation反: reverse side重力: gravity; force of gravity; g ...粒级: grade反重力: anti-g; antigravitational force; levitation; reverse gravity反重力浮艇: land speeder下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:反重力粒级，即可在微信中查询翻译
