Stat.
[医] 镭射气单位(计算镭放射量的单位,相当于0.364毫居里)
🗣️ 情景例句
He goes to high school.
他在上高中。
What's the point of feeling blue?
有什么好悲伤的？
It was an important part of Native American's existence.
野牛是美洲土著人赖以生活的重要部分。