Mopitt
abbr. Measurements of Pollution in the Troposphere 在对流层输送中污染治理方法
🗣️ 情景例句
It's about the size of the United States, but it has a population of only 16.5 million.
它和美国一般大，但人口却只有一千六百五十万。
Don't forget to put stamps on the letter before you mail it.
不要忘记在寄信以前把邮票贴在信封上。
Jim
吉姆