我们在那次跨国项目中相识,此后一直保持着学术上的合作。Wǒmen zài nà cì kuàguó xiàngmù zhōng xiāngshí, cǐhòu yìzhí bǎochí zhe xuéshù shàng de hézuò.We got to know each other during that international project and have maintained academic collaboration ever since.
我们相识二十年了,还是无话不谈。Wǒmen xiāngshí èrshí nián le, háishi wú huà bù tán.We have known each other for twenty years and still talk about everything.
他们是在一次旅行中相识的。Tāmen shì zài yí cì lǚxíng zhōng xiāngshí de.They met on a trip.