A research is madethe properties of compound cement consisting of Alite - sulphoaluminate cement and Portland cement.研究了阿利特 - 硫铝酸盐水泥与硅酸盐水泥复合所制备的水泥的性能....
The piano music mixes with the murmur of conversation.钢琴的弹奏声混杂着低低的交谈声。The weather is a constant topic of conversation in Britain.在英国，天气是交谈中永恒的话题。He re-ran in his mind his conversation with Smith.他脑子里回顾了一遍他和史密斯的对话。...
Symptoms included frequent dryness in the mouth.症状包括经常口干舌燥。Her writing has a wry dryness.她的作品有一种冷嘲式的幽默。Dryness at the roots can occur very easily specially when plants are grown in containers.根部很容易干枯，特别是当植株被种养在盆中时。...