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 , ...
我试图发动车子的时候我们互相打趣了几句。We bantered a bit while I tried to get the car started.洛娜边笑边和特雷弗打趣。Lorna was laughing and joking with Trevor.她听见汤姆和简互相打趣。She heard Tom exchanging good-natured banter with Jane....
...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...
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...