Uvb
[医][=ultraviolet light,midrange sunbeam spectrum]紫外线B光谱, 中波紫外线光谱
🗣️ 情景例句
Congratulations, Michelle! That's something!
恭喜 ，Michelle！太好了！
I'm afraid you will catch the Influenza.
我怕你会感染到流行性感冒。
Bruce went into a low gear and drove at a terrifying speed, keeping the front wheels astride the crack as he followed its zigzag course.
布鲁斯挂上慢档，把两只前轮分别搁在裂缝的两边，顺着弯弯曲曲的裂缝，以发疯的速度向前开去。