Because of this movement, a route taken at a fixed Angle to the Sun results in a U-shaped path.
由于这种运动，与太阳成一定角度飞行的路线产生一个U字形的轨迹。
People will now be able to get better protection from the sun with a new sunscreen recently approved by the U. S. Food and Drug Administration (FDA).
最近，美国食品与药品管理局认可了一种新的防晒霜，有了这种防晒霜人们可以更好地防护日光。
On Wednesday, 2009 July 22(U. S. A. ), a total eclipse of the Sun is visible from within a narrow corridor that traverses half of Earth.
2009年七月22号星期三（美国），日全食仅可在横贯地球上方的狭窄区域可见。
The yellowish willow by the highway and on the other side of the lake along with the glistening reflecting of the sun on ripples prompted me to make a U-turn to take this picture.
路边的淡黄柳树和另一边湖泊在阳光闪耀下的波光粼粼，促使我掉头而拍下这张照片。
Different parts of the U. S. receive vastly different amounts of sunlight, so a solar panel in sun-drenched Las Vegas will always be more productive than one in cloudy Seattle.
美国的不同地区接收阳光的量有很大的不同，因而处于阳光充沛的拉斯维加斯的太阳能电池板比处于乌云密布的西雅图的太阳能电池板产出更多。
The recommended dosage is 800~1000 U/d of plain vitamin D for healthy old people and up to 2000 U/d for people with osteoporosis, obesity, poor sun exposure, and malabsorption.
推荐老年人每天补充800~1000U普通维生素D，骨质疏松患者、肥胖、缺乏日照和吸收不良的人可酌情增加至2000 U。
The recommended dosage is 800~1000 U/d of plain vitamin D for healthy old people and up to 2000 U/d for people with osteoporosis, obesity, poor sun exposure, and malabsorption.
推荐老年人每天补充800~1000U普通维生素D，骨质疏松患者、肥胖、缺乏日照和吸收不良的人可酌情增加至2000 U。
应用推荐