Photoradiometer
[医] X线[辐射]量计
🗣️ 情景例句
Why?
为什么？
An evil lesson is soon learned.
学坏容易。
From these he can go on to appreciate more complex forms or combinations of several forms.
从这些形体出发，观赏者可进一步观察更为复杂的形体或若干形体的组合。