Fat is an excellent insulator against the cold.脂肪是极好的抵御寒冷的绝热体。Dry air is a good insulator, but sea water is not.干燥空气是一种好绝缘物, 海水则不是.The atoms of an insulator hold their electrons very tight.绝缘体的原子把电子抓得很牢....
ASCOM , Power Line Modem and Routers, power line communications based broadband networking.亚斯康, 电力线调制解调器和路由器, 电力线宽带通信基础网络.Avionics are comprised of several major subsystems including cockpit displays, communications equi...
There is cutting edge cinematography and state - of - the - art technology.英国的电影技术和电影科技世界领先.The church commissioners are cutting their contributions to diocesan funds.英格兰国教委员会正在减少对教区基金的善款拨付。My brother is fretful because ...
他用毛巾抹去余下的皂沫。He wiped off the remains of the lather with a towel.给孩子皮肤上抹些凡士林以防止肿痛。Smear Vaseline on to your baby's skin to prevent soreness.用汤勺的背面把混合料抹平。Smooth the mixture with the back of a soup spoon....