Unescorted
a. 无人护送的, 没有护卫的, 没有陪伴的
✅ 同义词
🗣️ 情景例句
Remember?
记得吗？
I subscribed to a lot of periodicals last year.
去年我订了许多期刊。
NASA is now going to put the telescope right,
国家航天局准备纠正这一错误，