大西洋洋底在中部形成由北向南的海脊.The floor of the Atlantic ridges in the middle from north to south.一道中海脊是板块之间的边界,在那里新的岩石圈的物质从下部注入.A mid - ocean ridge a boundary between plates where new lithospheric material is injected from below s....
Our only companion is the wandering albatross, which glides effortlessly and gracefully behind the yacht.陪伴我们的仅有那只盘旋的信天翁，它在游艇后面优雅轻盈地翱翔。The albatross is the king of gliders.信天翁是滑翔鸟类之王.A tiger shark looking for dinner. In ...
There were two lemon trees and I paused to enjoy their perfume.那里有两棵柠檬树，我不禁驻足品味柠檬的芬芳。She paused as the group of children filed out of the house.那群孩子从房子里鱼贯而出时，她停了下来。On leaving, she paused for a moment at the door.离开时，她在门口...