Microdensitometry
微密度测定
🗣️ 情景例句
Sir, this offer will expire this week.
先生，这次特价这个礼拜就结束了。
My phone was out of order.
我的电话坏了。
This is a moving spectacle, for crowds of people stand on the shore watching the lanterns drifting away until they can be seen no more.
这是一个感人的场面，人们成群地伫立在海岸上，注视着灯笼远去，直到再也看不见为止。