取120个值计算平均数。Take a hundred and twenty values and calculate the mean.把它们相加再除以5就是平均数，明白吗？Add them together, divide by five, and you've got the average. Okay?在新英格兰人们的收入通常比全国平均数低10%.Income in New England is commonly 10 ...
子弹在离安德烈亚的心脏不到一英寸的地方穿过。The bullet had passed less than an inch from Andrea's heart.在深约0.5英寸，间隔12英寸的条播沟里播种。Sow the seeds in drills about 1/2in. deep and 12in. apart.我们的个人空间是周围12到18英寸的范围。Our personal space extends abou...
Many forest tree species have multiple archegonia which, after fertilization produce a number of proembryos.许多林木树种都有颈卵器, 受精以后便产生许多原胚.A similar section through the female plant reveals several bottle - shape archegonia , ...
It rids the body of excess lactic acid and to gradually reduce heart rate and respiration.它使游泳者消除体内过量的乳酸,并逐渐降低心率和呼吸频率.For example, it guarantees them the same rids all 4 years of undergraduate study.比如, 他们担保在4年本科阶段支付相同的续...
...lavatories that often freeze up in winter...在冬季经常完全冻住的抽水马桶But there would be no public lavatories in a quarter like this.可是在这样的地方是找不到公共厕所的.Now most families use lavatories, which are very convenient and clean.现在大多数家庭都...