在这场技术攻关中,年轻工程师逐渐成为研发团队的主力。Zài zhè chǎng jìshù gōngguān zhōng, niánqīng gōngchéngshī zhújiàn chéngwéi yánfā tuánduì de zhǔlì.In this effort to tackle key technical problems, young engineers gradually became the main force of the R&D team.
这家公司的主力产品还是年轻人喜欢的手机。Zhè jiā gōngsī de zhǔlì chǎnpǐn háishì niánqīngrén xǐhuan de shǒujī.The company's main product is still the mobile phone that young people love.
篮球比赛中他是全队的主力,得分最多。Lánqiú bǐsài zhōng tā shì quánduì de zhǔlì, déifēn zuìduō.In the basketball game he was the backbone of the team, scoring the most points.