你应装双层玻璃以免散热.You should ensure against loss of heat by having double glazing.他摇下窗子来散热。He wound down the windows to dissipate the heat.我们的身体能出汗，由此可以蒸发散热。Our bodies can sweat, thereby losing heat by evaporation....
After the settlers left, the area reverted to desert.早期移民离开之后, 这个地区又变成了一片沙漠。...in the old days before the European settlers arrived in the country.在欧洲殖民者来到这个国家之前的旧日时光Separation is obtained by means of a series of mixers ...
CRYSTAL, KEY CHIAN, DESK CLOCK, NAME CARD HOLDER , MODEL PLANE , BOOK MARK, LETTER OPENER, AWARD, AND SO ON.主营产品或服务:水晶制品, 钥匙扣, 钟座, 名片盒,飞机模型, 书签, 开信刀, 奖杯,微章等名种礼品.We cannot put back the clock.我们无法让时光倒流。Why world's cen...