打字猴:1.70494633e+09
1704946330
1704946331 square还可用来表示“见方”:
1704946332
1704946333 Each family has only one room eight or ten feet square.每家人只有一间8英尺或10英尺见方的房间。
1704946334
1704946335 This piece of wood is two metres square.这块木头为两米见方(即每边两米)。
1704946336
1704946337 比较大的面积可用hectare或acre表示:
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1704946339 In 1975 there were 220 million hectares under cultivation.1975年有2.2亿公顷的耕地。
1704946340
1704946341 His land covers twenty acres.他的土地有20英亩。
1704946342
1704946343 如果谈圆形面积,可有两个办法,一是in circumference(周边有多长),一是in diameter(直径有多长):
1704946344
1704946345 The earth is almost 25,000 miles in circumference.绕地球一周几乎有25000英里。
1704946346
1704946347 The four main vessels were 2.3 mm in diameter.四根主要血管直径有2.3毫米。
1704946348
1704946349 也可用radius(半径)表示:
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1704946351 It had a radius of fifteen kilometres.它的半径为15公里。
1704946352
1704946353 表示长、宽、高可以用by或“×”号:
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1704946355 The island measures about 25 miles by 12 miles.这个岛约为25英里长、12英里宽。
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1704946357 The box measures approximately 26 inches long × 25 inches wide × 16 inches deep.这个箱子约26英寸长、25英寸宽、16英寸高。
1704946358
1704946359 Each section is 2×2×1 metres in size.每一块体积为2×2×1米。
1704946360
1704946361 谈体积(容积):
1704946362
1704946363 体积通常以cubic表示:
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1704946365 The container has a volume of 24 cubic metres.这个容器容积为24立方米。
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1704946367 Its brain was close to 500 cubic centimeters (49 cubic inches).它的脑子接近500立方公分(49立方英寸)。
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1704946369 液体和气体的体积可以litre和gallon等表示:
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1704946371 This bottle holds two litres.这个瓶子装两公升。
1704946372
1704946373 Nearly 5 litres of blood are pumped by the heart every minute.心脏每分钟要压出5公升的血。
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1704946375 Wine production is expected to reach 4.1 billion gallons this year.酒类生产今年可望达到41亿加仑。
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1704946377 A gallon of petrol costs £1.25.1加仑汽油价钱是1.25英镑。
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1704946379 The amount of air being expelled is about 1,000 to 1,500 mls.呼出的气约为1000至1500毫升。
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