Germitron
紫外线灯装置
🗣️ 情景例句
the school poster for the play this year.
今年学校话剧的海报。
I am afraid I will not be able to accompany you.
我恐怕无法跟你在一起了。
This immense chasm has been formed by an underground stream which has tunneled a course through a flaw in the rocks.
这个深邃的洞穴是由一条地下暗泉冲刷岩石中的缝隙并使之慢慢变大而形成的。