Parametrix
拟基本解奇异函数
🗣️ 情景例句
I've got some great new dance music.
我有几卷很好的新舞曲。
What were you doing at about 4 o'clock yesterday afternoon?
你昨天下午在大约4点钟正在做什么？
Don't worry! We won't leave before nine. We'll wait for you outside the school gate!
别担心！9：00前我们不会出发。我们将在学校的大门外等你！