在产业升级过程中,缺乏研发投入的企业很容易掉队。Zài chǎnyè shēngjí guòchéng zhōng, quēfá yánfā tóurù de qǐyè hěn róngyì diàoduì.In the process of industrial upgrading, companies that lack investment in research and development can easily fall behind.
爬山时,他走得太慢,渐渐掉队了。Pá shān shí, tā zǒu de tài màn, jiànjiàn diàoduì le.While climbing the mountain, he walked too slowly and gradually fell behind the group.
跑步队伍里谁累了就喊一声,我们不让任何人掉队。Pǎobù duìwu lǐ shéi lèi le jiù hǎn yì shēng, wǒmen bú ràng rènhé rén diàoduì.In our running group, anyone who gets tired just shouts, and we let no one fall behind.