交通工具 - 2026 进行中

科目: 交通工具
级别: II (I级最简单，XII级最难)
类别: 大学生
试题语言: English
题数: 15
问题示例: What is the primary purpose of a vehicle’s tire tread pattern? To increase the vehicle’s weight, To cool the brake fluid, To reduce the steering-wheel diameter, To improve traction on the road surface