the current is swiftest in the middle of the river
Related Translations:
当中: 1.(正中) in the middle; in the centre 短语和例子坐在主席台当中 be seated in the centre of the rostrum; 河当中水流最急。 the current is swiftest in the middle of the river.2.(中间; 之内) among 短语和例子工人当中出现了许多技术革新能手。