交通工具 - 2026 进行中
1000 ₸
科目: 交通工具 级别: II
类别: 大学生
测试题目: 英语
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