我们在海滩拾贝壳。We collected shells on the beach.退潮之后, 他们就四处去拾贝壳.When the tide ebbed, they scattered to pick sea shells.孩子们趁着赶潮的时候拾贝壳.The children collect shells when the tide ebbs....
观测工作借助于各种望远镜。The observational work is carried out on a range of telescopes.天文学家们正在观测木星.The astronomers were taking an observation of Jupiter.许多机关通过直接的观测收集信息.Many agencies gather information through direct observation....
concerning的近义词/同义词有：apropos, relating, in, to, re, respecting, as, regards, about, of, regarding, over, for, of。prep.concerning的近义词（关于,论及,就...而言）：apropos, relating, in, to, re, respecting, as, regards, about, of, regardi...
Why aren't all lenses supplied with a lens hood?为什么不给所有的镜头都配上遮光罩呢？The autoexposure button is awkwardly placed under the lens release button.自动曝光按钮安装在镜头脱卸按钮下面，十分不便。Your camcorder should have these basic features: aut...