Sciagraphy
X射线照相术, 投影法
🔁 扩展释义
【医】 X线照相术
🗣️ 情景例句
I've got it. Now give me some information about
我知道了。现在告诉我
Many a little makes a mickle.
积少便成多。
For one thing they keep the water clean.
一来，水下植物可以保持水的清洁。