紧靠我们右面，古老的德国避暑胜地正在苏醒。Immediately to our right the old German summer resort was awakening.他拜访了住在河畔避暑别墅的亲戚。He visited relatives at their summer house on the river.大批游客涌入,使这个避暑胜地热闹起来.The invasion of tourists brought life to...
Self - confidence and self - reliance are the mainstays of a strong character.自信 与自力是坚强品格的柱石.Nonconformists - lower need to conform indicating self - reliance.不墨守成规——很少遵守规则意味着能 自我 发展.People learned self-reliance because ...
Bevel gears: gears which connect two shafts at right angles.伞齿轮: 连接直角相交两轴的齿轮.The bevel milling cutter for cutting groove of oil casing - pipes was designed.设计了用于油气田管道坡口切割的角度铣刀.Precision forging technology is developed ra...
从亚细胞部分制备RNA,可使专一的mRNA序列的丰度提高.Specific mRNA sequences can be enriched for by preparing the RNA from subcellular fractions.土壤生态系统中水分和养分的丰度和有效性决定土壤的肥力.The abundance and availability of water and nutrients in a soil ecosyste...