Trifocal
a. 三焦距的\\nn. 三焦距透镜, 三焦距眼镜
🗣️ 情景例句
Will you be stopping anywhere else before going to the train station.
去火车站之前是否还到别的地方？
I want to make a long distance call.
我想打个长途电话。
I was thinking about next Tuesday.
我想下个礼拜二。