At sufficiently high temperatures and alkalinity, fatty esters may be hydrolyzed to produce soaps.在足够的温度和碱度的情况下, 脂护酯可能被水解产生皂类.Incorporating organic material into chalky soils will reduce the alkalinity.在白垩质土壤中添加有机物可降低其碱性...
Incorporating organic material into chalky soils will reduce the alkalinity.在白垩质土壤中添加有机物可降低其碱性。A pH test measures the acidity or alkalinity of a substance.pH值测试可检测物质的酸碱度。As a result, soil alkalinity rose and farmland lay...
他们的鹤嘴锄发出来的卡嗒卡嗒声使我从沉思中清醒过来.The rattle of their picks was what woke me from my musing.警车里的无线电带着卡嗒声发出了这个通知.The message crackles over the radio in the police car....
她将自己睡袍的吊带拉到肩膀上。She pulled the strap of her nightgown onto her shoulder.我提起睡袍，撒腿便跑。I hiked my nightgown right up and I ran.她起了床,穿着淡色的睡袍.She rose in her pale nightgown....
Myles vacationed in Jamaica.迈尔斯去了牙买加度假。Uncles, aunts , grandparents, and children vacationed together, spent holidays together, and saw much of each other.叔舅婶姨 、 祖父母和儿孙一起旅游度假,时常团聚....