Diffractometers
(diffractometer 的复数) n. [光] 衍射计
🗣️ 情景例句
Grandma, I bet you have a lot of stories to tell.
奶奶，我敢打赌你会说很多故事。
When the belly is full, the bones would be at rest.
饱暖图安逸。
has spent his lifetime studying active volcanoes and deep caves in all parts of the world.
花了毕生的精力来研究世界各地的活火山和探洞。