Maximum permissible dose(mpd)
[化] 最大容许剂量
🧩 词语组成解析
🗣️ 情景例句
What are we having?
我们吃些什么？
Mr. Smith is still in his forties.
史密斯先生才四十几岁。
The Ombudsman immediately wrote to the Chief of Police in the district asking him to send a record of the case.
司法特派员立即写信给当地警察局长，请他寄送与此事有关的材料。