单词	internal groove
释义	internal groove 内槽
随便看	periodoscopes period out of service period pain period pains period pants period parallelogram period parallelotope period per second period-piece period piece period pieces period planning period play period point period processing period project period protection period range period ratio period reaction period-reactivity conversion factor period-redius relation period refractory period region period regulation 隔山水隔岸两三家隔帘无处说春心隔座送钩春酒暖隔柳横孤艇隔水毡乡隔水问樵夫隔水青山似故乡隔水高楼隔江人在雨声中ゲツリゲツレイゲツレイゲテモノゲテンゲデンゲドウゲドクゲナゲナン