Heliography
n. 日光反射信号术, 反光通信法, 照相制版法
✅ 同义词
🗣️ 情景例句
Don't open the door if you don't know who it is.
如果有陌生人敲门不要开门。
Necessity (or Need) has (or knows) no law.
需要面前无法律。
Let me give you some more chicken. And have another pancake.
我再给你夹些鸡肉。再吃一块煎饼。