Parametrix
拟基本解奇异函数
🗣️ 情景例句
That's a good idea.
好主意。
Can I see your license, please?
请你给我看一下你的驾驶执照行吗？
I will have to choose presents for all the family soon, but I haven't chosen any yet!
我很快就要为每一位家庭成员选购礼物，但我至今还什么也没买！