单词:plate penetrameter
单词:plate penetrameter 相关文章
The theory of plate tectonics describes the motions of the lithosphere, the comparatively rigid outer layer of the Earth that includes all the crust and part of the underlying mantle. The lithosphere(n.[地]岩石圈)is divided into a few dozen plates o
Phelps Fails to Medal in Olympics Swimming Opener American swimmer Ryan Lochte won the mens 400-meter individual medley (4:05.18) by an impressive margin of more than three and a half seconds, capturing the gold medal. Brazils Thiago Pereira took the
今天还是要继续讲两个在大选期间新闻界常用来报道选战形势的习惯用语。你知道哪一种运动是美国人日常用语最丰富的源泉呢?是美国最风行的球类运动:棒球。今天要说的两个习惯用语都
在美国每年棒球季节的第一场比赛相当于春天来临的信息。说真的,这一百多年来最得美国大众青睐的运动就是棒球,而棒球运动也成了习惯用语的丰富来源。我们今天就专讲一些出自棒球运
VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. VOICE TWO: And I'm Steve Ember. Scientists who study the Earth tell us that the continents and ocean floors are always moving. Sometimes, this movement is violent and mig
still camera 照相机 cinecamera 电影摄影机 (美作:movie camera) television camera 电视摄像机 box camera 箱式照相机 folding camera 风箱式照相机 lens 镜头 aperture 光圈 wide-angle lens 广角镜头 diaphragm 光圈 telephoto lens 远摄镜头,长焦镜头 zoom lens 变