在环形交叉路口，请记得让右侧车辆先行。

Remember to give way to vehicles from the right at the ___roundabout.

他没有直接拒绝，而是给出了一个拐弯抹角的回答。

Instead of saying no directly, he gave a ___roundabout reply.

孩子们在嘉年华的旋转木马上转圈时咯咯直笑。

The kids giggled while going around on the ___roundabout at the carnival.