Microdensitometry
微密度测定
🗣️ 情景例句
I generally go to bed at ten.
我通常十点钟睡觉。
You should wear a raincoat, It's rainy today.
你应该穿一件雨衣，因为今天下雨。
Many offices use answering machines to give information.
许多办公室使用留言机来提供信息。