The nature of the polymer is currently a trade secret.这一聚合物的性质目前是个商业机密。They issue a fixed number of shares that trade publicly.他们发行一定数量的可公开交易的股票。Anita Loos was in many respects untypical of the screenwriting trade.在许多方面，...
歌声缭绕在人群上方，如同低声祝福。The song hovered, like a whispered benediction, above the crowd.一缕盘旋的轻烟从农舍唯一的烟囱里缭绕升起。A thin twist of smoke curled from the cottage's single chimney.屋内香烟的烟雾缭绕.Inside, clouds of cigarette smoke swirle...
Once they cleared the housetops, the wind was raw and biting.他们清扫完屋顶后，寒风刺骨。The housetops, the trees, and the sparrows proclaimed the spring.屋顶, 树木以及麻雀都在宣布春天的到来.When I took bus my house, There was snow on the building san...
When the Berlin Wall came down it wasn't just the roads that opened up but the waterways too.柏林墙一倒，不仅是陆路，连水路也开通了。He accepted the offer to become a professor at the Prussian Academy of Sciences in Berlin.他应聘到柏林普鲁士科学院...
莫妮卡拿起她的伯罗圆珠笔，放在牙齿间转动着。Monica picked up her Biro and revolved it between her teeth.钻头必须缓慢转动，以保证钻孔平整光滑。The drill should be slowly rotated to ensure a clean hole.轮子一边转动，制陶工人一边拉坯。As the wheel turned, the potter shaped the cl...