单词	present with/to
释义	请查阅词条：present
随便看	up-bow up-bows upbraid upbraided upbraider upbraiders upbraiding upbraidings upbraids upbringing upbringings up-brow upbuild upbuilt up-by UPC up card up-card upcase upcast upcasting upcast shaft up-channel upcharge upchuck 树懒是怎样生活的? 树木为什么不可以无限长高? 树木为什么变成了“旗形” 树木是怎么过冬的? 树木的年轮与环境有什么关系? 树木的年轮是怎样产生的? 树木的年轮能告诉我们哪些信息? 树木能长多高树木需要呼吸吗? 树根周围为什么要放一层大卵石? Ventilhubbereich Ventilhubkurve Ventilhublinie Ventilhut ventilieren Ventilkammer Ventilkammerdeckel Ventilkammerverkleidung Ventilkanal Ventilkanone