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set a precedent开创先例
例句：The judgment set a new precedent.
那次判决树立了一个新的判例。
2.But the heatwave continues, and experts say it's having a serious impact on the country's economy, in particular agricultural output.
in particular尤其, 特别
例句：She likes fruit and tomatoes in particular.
她喜欢水果, 尤其是西红柿。
3.The study was carried out on autistic adults, and the scientists are testing to see if the scans could work on children.
carry out进行
例句：They also carry out experiments.
他们还进行实验。
完成, 实现
例句：They carried out their plan without difficulty.
他们顺利地完成了计划。
