Areodesy
火星测量学
🗣️ 情景例句
By the way, what are you going to do on Christmas?
顺便问一下，圣诞节你打算做什么？
Hello. I wish to speak to Mr.Chen?
喂，我想和陈先生讲话。
Draw your chair up to the table.
把你的椅子拉到桌子旁边来。