Ultracentrifuger
超级离心机
🗣️ 情景例句
Hi, Dad. Am I interrupting you?
嗨，爸爸。我打搅了你吗？
Desperate diseases must have desperate cures.
毒病要用毒药医。
Mrs.Richards sent her children to school and went upstairs to her bedroom.
把孩子送去上学，然后来到楼上自己的卧室。