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 ...
The biological control progress of beet armyworm and the prospect were reviewed.本文综述了甜菜夜蛾生物防治进展以及对生物防治的展望.Deoxypodophyllotoxin have strong development inhibition to armyworm.脱氧鬼臼毒素对粘虫的生长发育有显著抑制作用.Deoxypodophyllotoxin hav...
Toolbelts free both hands and lessen the risk of dropping hammers.工具腰带解放了双手，还减少了锤子掉落的风险。A carpenter's tools include saws, hammers, and screw - drivers.木工的工具包括锯子 、 锤子和旋凿.The teacher hammers away at the multiplication...
The elephants trumpeted and stamped their feet at their approach.当他们靠近时，大象又吼又跺脚。It was trumpeted that the nation's health was improving.人们大力宣传该国的健康状况正在改善。Soldiers trumpeted and bugled.士兵们吹喇叭鸣号角....
They love Epicurus and his simple pleasures from ancient Greece.他们热爱伊壁鸠鲁和这位哲学家在古希腊所享受的简单的快乐.It is a poor saying of Epicurus , Satis magnum alter alteri theatrum sumus.埃皮克拉斯曾说过一句笑话:“人生不过是一座大戏台. ”The Epicureans were discip...