可透x射线的的英文

• roentgenolucen roentgenoparent
• roentgenoparent

• 可:    approve
• 透:    penetrate; pass through
• x:    vt. (x-ed, x'd x-ing, x'ing) ...
• β射线:    beta ray
• 的:    4次方是 The fourth power of 2 i ...