单词	sign in (or out)
释义	请查阅词条：sign
随便看	patch box patch-box patch breast pocket patch cord patched patched work patcher patcher patchery patches patch-head patchier patchiest patchily patchily patchiness patchiness patchinesses patching patchings patching up patch lead patch-leaf patch leather patchless 摩尔定律有终结之日吗摩托车是怎样发动的? 摩托车有多少种呢? 摩擦为什么可以生电? 摩擦力是什么？摩擦在划火柴过程中起什么作用？撞击论有什么证据支撑？撞头后为何会起包操作系统的任务有哪些？攀缘植物是怎样爬竿的? Haubenverschluß Haubenverschlußpuffer Haubenwagen Haubenöler Hauber Haubitze Hauch hauchen Hauchlaut Haue