Microdensitometry
微密度测定
🗣️ 情景例句
at this point in our lives?
在这个时候怎么样？
I envy you your health.
我羡慕你健康和身体。
He asked very politely, Excuse me, have you got any books about the moon and the stars?
“请问，你有关于月亮和星星的书吗？”