a. 电的, 导电的, 电动的
What do we learn about the current electric supply system in Africa?
六级 · CET-6 2026年6月 第3套
H) Like the 1910 semaphore, the first electric signal used words.
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
N) Morgan sold the patent to General Electric—and the spread of the traffic light was green lighted.
六级 · CET-6 2025年12月 第3套
It might have been classical music's version of the time Bob Dylan went electric at the Newport Folk Festival.
六级 · CET-6 2022年12月 第3套