Maximum permissible concentration (mpc)
[化] 最大允许浓度
🧩 词语组成解析
🗣️ 情景例句
What language do they speak in Japan?
在日本他们说什么语言？
Don't forget to put stamps on the letter.
不要忘记在信封上贴邮票。
In spite of this, she often appears on the stage as a young girl.
尽管如此，她却常在舞台上扮演小姑娘。