Spectrolog
光谱测井
🗣️ 情景例句
There's a shortcut--if you know it.
假如你识路的话, 有一条近路可走。
While (or Where) there is life there is hope.
留得青山在，不怕没柴烧。
Er, is it under that window?
是在窗户下面吗？