Nationwide, only about three percent of early childhood teachers are male in the U.S.
在美国，只有大约3%的幼儿教师是男性。
It's only about three feet wide.
桥宽仅三尺左右。
Now, they say, the scent can travel only about three hundred meters at best.
现在，香气最多可以飘300米左右。
But volumes since then have been running at only about three-quarters of the norm from earlier in the year.
但自那以后，成交量就一直维持在今年早先正常水平的四分之三左右。
Australia is only about three hours ahead of China time.
澳大利亚只比中国早了三个小时。
The gravity on Mars is only about three-eighths of that on Earth.
火星引力大约只有地球引力的八分之三。
Fourteen years elapsed between preparation and completion, but the actual construction took only about three years. (2005 Topos)
从准备到完成共延续了十四年时间，而建造本身只花费了约三年时间。
But people were allowed only about three-quarters of an ounce of meat per day, with just over an ounce of cheese or other dairy protein.
而且人们每天只能摄入四分之三盎司的肉，和一盎司多一点的奶酪或其它乳蛋白。
But people were allowed only about three-quarters of an ounce of meat per day, with just over an ounce of cheese or other dairy protein.
而且人们天天只能摄入四分之三盎司的肉，和一盎司多一点的奶酪或其它乳蛋白。
Furthermore, despite a massive evacuation of Hawaii, tsunamis in Hawaii measured only about three feet (one meter), too small to do any damage.
此外，尽管夏威夷作了大规模人员疏散，到达夏威夷的海啸浪高测定只有大约3英尺(1米)，这么小的浪不足以造成任何损害。
Orbiting only about three million miles out from its star, the Jupiter-size gas giant planet, dubbed TrES-2b, is heated to 1,800 degrees Fahrenheit (980 degrees Celsius).
这颗巨大的行星大小同木星相当，被称作TrES-2b，运行轨道距离其恒星只有大约300万英里，表面温度达华氏1800度（摄氏980度）。
Orbiting only about three million miles out from its star, the Jupiter-size gas giant planet, dubbed TrES-2b, is heated to 1, 800 degrees Fahrenheit (980 degrees Celsius).
这颗巨大的行星大小同木星相当，被称作TrES - 2b，运行轨道距离其恒星只有大约300万英里，表面温度达华氏1800度(摄氏980度)。
Orbiting only about three million miles out from its star, the Jupiter-size gas giant planet, dubbed TrES-2b, is heated to 1, 800 degrees Fahrenheit (980 degrees Celsius).
这颗巨大的行星大小同木星相当，被称作TrES - 2b，运行轨道距离其恒星只有大约300万英里，表面温度达华氏1800度(摄氏980度)。
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