
好词典

源自中古英语 'leden',与铅(lead)相关,指与铅有关的特性或处理方式。
❶ 指含有铅的,通常用于描述汽油、玻璃或油漆等物品中添加了铅成分,以提高性能或改变特性。
“Leaded gasoline was banned due to its harmful effects on the environment.”
(含铅汽油因其对环境的危害而被禁止使用。)
“The old house still has leaded paint on its walls.”
(这栋老房子的墙上仍然有含铅的油漆。)
❶ 指用铅覆盖或填充某物,或指在排版中用铅条分隔行距的旧式印刷技术。
“The printer leaded the type to improve readability.”
(印刷工人用铅条分隔字体以提高可读性。)
“They leaded the seams of the stained glass window to hold it together.”
(他们用铅条固定彩色玻璃窗的接缝。)
leaded petrol — 指含有四乙基铅的汽油,过去用于提高发动机性能,但因污染环境而被禁用。
“Many classic cars were designed to run on leaded petrol.”
(许多经典汽车设计时使用含铅汽油。)
leaded glass — 指添加了氧化铅的玻璃,具有更高的折射率和重量,常用于装饰或光学器件。
“The church windows are made of beautiful leaded glass.”
(教堂的窗户由精美的含铅玻璃制成。)