Microdensimeter
显微光度计
🗣️ 情景例句
It looks fine to me. But I have one suggestion.
我看写得不错，但有我个建议。
We can't stop it.
我们不能阻止它。
The search proved difficult, for the puma was often observed at one place in the morning and at another place twenty miles away in the evening.
事实上搜寻工作很困难，因为常常是早晨在甲地发现那只美洲狮，晚上却在20英里外的乙地发现它的踪迹。