The liquid we can see in thermometers is mercury.我们看到的温度计里的液体是水银.Wire the thermometers up to trigger off an alarm bell if the temperature drops.给温度计接上线,如果温度下降,报警铃就会响.Thermometers are filled with fluids such as toluene or...
The liquid we can see in thermometers is mercury.我们看到的温度计里的液体是水银.Thermometers are filled with fluids such as toluene or alcohol.温度计装有甲苯或酒精.They seldom displace the purely indicating thermometers for direct.它们很少能代替直读式温度计....
She passed the needle through the rough cloth, back and forth.她一针一针地缝那块粗布。The prosecution and defense were bandying accusations back and forth.原告和被告你来我往，互相指责。Dr. Mesibov set forth the basis of his approach to teaching st...
什么时候开始给我的孩子断奶最好？When would be the best time to start weaning my baby?断奶要一步步来。Weaning should be a gradual process.小猪通常在八周时断奶.Traditionally piglets were weaned at eight weeks....