植物的肺就是其叶片上微细的气孔。A plant's lungs are the microscopic pores in its leaves.在干旱的条件下, 叶子的膨压减少而气孔关闭.Under conditions of water stress, leaf turgor decreases and stomata close.他使橡胶塞牢固地塞进盖上的排气孔.He presses the rubber stopper ...
业余垒球协会的裁判员名单上的人数已经减少到了57,000名。The Amateur Softball Association's roster of umpires has declined to 57,000.这位脾气暴躁的队员曾和裁判员发生过无数次争吵。The fiery player has had numerous run-ins with referees.队员们对裁判员的裁决感到非常气愤.The team was ...
...earthbound telescopes...地面望远镜The earthbound larvae from which they develop are less pretty, but just as predatory.幼虫生活在地面上，不像成虫后那么美丽，但是同样会捕食。birds and their earthbound predators鸟和地面上捕食它们的动物...the daughter of a stolid,...
The main copper minerals are malachite, chrysocolla, little chalcopyrite, chalcosine and even little bornite and covellite.矿石主要含铜矿物为孔雀石 、 硅孔雀石, 少量的黄铜矿 、 辉铜矿及极少量的斑铜矿和铜蓝等....