屋顶的两面斜面都有破瓦片.On both slopes of the roof there are broken tiles.伽利略让小金属球从斜面滚下.Galileo rolled small metal balls down the incline.图3.21画出了平行于斜面的、相互保持平衡的几个力.Figure 3.21 shows the forces parallel to the plane that are respons...
Where extraterrestrial civilizations may be rare , there is something that is rarer still: A girlfriend.虽说外星生命及其稀少, 但还是有一种生命比它更稀少: 女朋友.Ancient civilizations believed in the curative powers of fresh air and sunlight.远古文明相...
Gerard also took on wider familial respon-sibilities.杰勒德还承担了更多的家庭责任。If a disease has a genetic basis, it will occur in familial aggregates.如果一种疾病有遗传基础, 它将以家族聚集性的方式发生.Objective : To study the pathogenesis of a homozygous ...
就像子女一样，父母也常常很注重保护他们的私生活。Like their children, parents are often defensive about their private lives.报纸使用了新词“丁克族”，即“双收入无子女”。The newspaper used the neologism "dinks", Double Income No Kids.子女身上遗传了父母双方的基因型板。The offspring con...