单词	upper head
释义	upper head 上闸首
随便看	injective hull of a module injectively injective mapping injective module injectiveness injective object injective radius injective resolution injectivities injectivity injectivity and productivity injectivity index injectivity-index test injectivity profile injectivity test inject money injector injector accelerator injector anode injector assembly injector blowpipe injector body injector bracket injector cathode injector circuit 甝甞生生1 生2 生3 生4 生不逢时生不逢辰生不遇时せさいせさい【世才】擦れちがう擦れっからし擦れっ枯らし擦れる擦れる擦れる擦れ合う擦れ違い