1）翻譯下面的句子：
David 超越了他的同班同學(xué)昭卓，只用兩年半就拿到了本科學(xué)位。
David leapfrogged his classmates by obtaining his bachelor's degree in two and a half years.
（參考翻譯：David leapfrogged his classmates and obtained his bachelor's degree within just two and a half years.）
2）結(jié)合自己的生活技扼、學(xué)習(xí)沥割、工作嗽桩、興趣等幼驶，想象在什么語(yǔ)境下會(huì)用到這個(gè)表達(dá)。先簡(jiǎn)要描述這個(gè)場(chǎng)景耘沼，再造句极颓。
場(chǎng)景 ： K12在線教育中vipkid脫穎而出
例子：In the cutthroat competition of K12 online education, vipkid leapfrogged to the forefront of the red sea because of its smart marketing strategy and refined products.
