Fluxionist
善于運(yùn)用微分法的人
??? 情景例句
Can I help you?
我能幫你忙嗎？
Delicious!
味道真棒！
The deepest known cave in the world is the Gouffre Berger near Grenoble.
世界上最深的洞穴是格里諾布爾附近的高弗。伯杰洞，