There was ten tenths cloud at that time.当时云层厚度是十度.We received only two tenths of an inch of rain during the entire month of June.整个6月，我们这里的降水量只有0.2英寸。The spring had been unusually dry and we received only two tenths of a...
原来的锅炉开始往外喷火苗后他便换了个新的。He replaced the boiler when the last one began to spout flames.绝大多数锅炉有15至20年的使用期限。Most boilers have a lifespan of 15 to 20 years.她把炉灰从锅炉里面耙了出来。She raked out the ashes from the boiler....
Betoken : To be or give a sign or portent of.预示: 做或给出记号或预兆.He gave her a gift to betoken his gratitude.他送她一件礼物表示感谢.Dark clouds betoken a storm.乌云予示着暴风雨的来临.Those black clouds betoken rain.那些乌云预示有雨....