Letterless
a. 没有信件的, 没有刻印文字的
🗣️ 情景例句
Here it is.
在这儿。
Don't look wise.
别自作聪明。
When a light passenger plane flew off course some time ago, it crashed in the mountains and its pilot was killed.
不久前，一架轻型客机偏离了航线，在山区坠毁，飞行员丧生。