Arthroendoscopy
关节内腔镜检查
🗣️ 情景例句
2,3,4 ... now switch. ... 2 3 4
……现在 左右交替……
I've arranged my class schedule so I'll have my afternoons free.
我调整了我的课程表，以便下午腾出空来。
I've been here for about two years. I've been here since 1993.
我到这儿大约有两年时间了。我自1993年就到这儿学习。