1·The astrolabe had long been the primary instrument for navigation, having been introduced in the eleventh century.
自11世纪星盘被引入以来，它一直都是航海的重要工具。
2·The average hourly wage of television assemblers in Vernland has long been significantly lower than that in neighboring Borodia.
长期以来，Vernland 组装电视机的工人的平均小时工资远低于邻近的 Borodia。
3·Patriotic songs have long been a feature of Kuwaiti life.
爱国歌曲长期以来一直是科威特人生活的一个特点。
—— 《柯林斯英汉双解大词典》
4·Blue and green eyeshadow has long been considered kitsch.
蓝色和绿色的眼影很久以来一直被认为是庸俗的。
—— 《柯林斯英汉双解大词典》
5·Colmar has long been considered the capital of the wine trade.
科尔马长久以来一直被誉为葡萄酒贸易之都。
—— 《柯林斯英汉双解大词典》
6·Drug abuse has long been a major problem for the authorities there.
毒品滥用长期以来一直是那里的当局的一大难题。
—— 《柯林斯英汉双解大词典》
7·Political power has long been a well-trodden path to personal wealth.
政治权力是个人敛财的惯常途径。
—— 《柯林斯英汉双解大词典》
8·The ability of coal to release a combustible gas has long been known.
煤能够释放易燃气体这一点早已为人所知。
—— 《柯林斯英汉双解大词典》
9·Its author, Dr. Henry Petroski, has long been writing about disasters.
它的作者亨利·佩卓斯基博士，长期以来一直在写关于灾难的文章。
10·Music has long been considered to be an enjoyable pastime for many people.
长期以来，音乐一直被许多人认为是一种令人愉快的娱乐。