Ech
abbr. echelon 梯形，梯次编队
🗣️ 情景例句
Have you been here to see Dr. Tyler before?
你曾来过泰勒医务所看过医生吗？
I'm looking forward to seeing you again.
我盼望着再能见到你。
The prisoner felt sorry for him, but there was nothing else he could do.
战俘为他感到惋惜，但却没有别的选择。