Neutrography
中子照相法
🗣️ 情景例句
The grass. The trees. The fresh air.
草地， 树木， 新鲜空气。
Prove thy friends ere thou have need.
需要朋友之前，先要加以考验。
No one could account for the fact that one of the boxes was extremely heavy.
其中有只箱子特别重，可谁也弄不清是怎么回事。