A:I missed the bus.
B:I had a bad day.
C:I had a lucky day.
小明进行“视力的矫正”探究活动,他将自己戴的近视眼镜放在蜡烛与凸透镜之间,如图(甲)在光屏上得到了一个缩小倒立的清晰实像,拿开眼镜后,光屏上的像变得模糊了。
你想说:下午好!可以说:
This big coat is . That is yours.