科研团队经过多年试验,终于攻克了电池寿命短的技术瓶颈。Kēyán tuánduì jīngguò duō nián shìyàn, zhōngyú gōngkè le diànchí shòumìng duǎn de jìshù píngjǐng.After years of trials, the research team finally overcame the technical bottleneck of short battery life.
医生们花了五年,终于攻克了这种难治的病。Yīshēngmen huā le wǔ nián, zhōngyú gōngkè le zhè zhǒng nán zhì de bìng.It took the doctors five years to finally conquer this hard-to-treat illness.
她终于攻克了这道困扰大家很久的数学难题。Tā zhōngyú gōngkè le zhè dào kùnrǎo dàjiā hěn jiǔ de shùxué nántí.She finally cracked this maths problem that had troubled everyone for a long time.