此时,混合物必须要用额外加入的燃料迅速地加浓.Then the mixture must be quickly enriched with extra fuel.天色逐渐加深, 而月亮的光辉也逐渐加浓.Gradually, as the blue of the sky deepened, the rays of the moon grew richer.对于一定的恒星形成频率,金属加浓最大的区域显然受到了最大的压缩.The region...
防晒霜应每隔一小时再抹一次。Sunblock should be reapplied every hour.不论何时只要有一点可能暴露在阳光下，我就会用防晒霜。I use a sunscreen whenever there is even a remote possibility that I will be in the sun.即使黑皮肤的女性也应该涂抹防晒霜。Even dark-skinned women should use ...
The troops were severely mauled and lost a quarter of their strength before evacuating the island.部队遭到重创，从岛上撤退前损失了四分之一的兵力。The solution is degassed by alternately freezing, evacuating and thawing.通过交替的冻结 、 抽空和溶化来使溶液除气.Fir...
只有精密的X射线仪器才能显示出来。It will only register on sophisticated X-ray equipment.射线对于果蝇的遗传产生强烈的作用.Radiation has a strong effect on the heredity of fruit flies.外科医生用X射线照射那个肿瘤.The surgeons irradiated the tumour....