vt. 介绍, 引入, 采用, 输入
Ramel pointed out the [___30___] effect of double-digit rent increases, saying that he made the decision to introduce the legislation while talking to a young man in Bellingham.
六级 · CET-6 2026年6月 第1套
When the warning yellow light was introduced, driving became safer and traffic accidents reduced.
六级 · CET-6 2025年12月 第3套
Finally, in San Francisco the first red and green electric light system that could be operated automatically (or manually) was introduced in 1917.
六级 · CET-6 2025年12月 第3套
J) In 1920, the first three-color light system was introduced in Detroit—also known as Motor City, USA.
六级 · CET-6 2025年12月 第3套
Crosswalks weren't even introduced until 1951.
六级 · CET-6 2025年12月 第3套