Boundary wavelength
[医] 边界波长
🧩 词语组成解析
🗣️ 情景例句
You're absolutely right.
你完全正确。
I have great difficulty in understanding him.
我觉得很难理解他。
He did very badly on the exam----worse than expected almost the worst in the class.
他考的不好，比期望的还糟。几乎是全班最差的。