Parametrix
拟基本解奇异函数
🗣️ 情景例句
I had a really bad day.
今天真是糟透了。
The netbugs are trapped in China Telecom's web.
中国电信捕捉缠在网上的网虫。
Since that time, racing drivers have reached speeds over 600 miles an hour.
从那时以来，赛车选手已达到每小时600英里的速度。