be good at擅长 you had to be good at math be good in 在某方面出色,有效果 The method was proved to be good in reproducibility and of low detection limit. 两者意思不同,不可互换
第2个回答 2019-11-22
意思有所区别,不能换: be good at擅长 you had to be good at math be good in 在某方面出色,有效果 The method was proved to be good in reproducibility and of low detection limit.