[jǐn mì]
（密切） close together; inseparable
rally closely round the Party Central Committee
緊密地團(tuán)結(jié)在黨中央周?chē)?
work in close cooperation
緊密合作
（密集） thick and fast; rapid and intense
a heavy rain
緊密的雨點(diǎn)
There was very rapid, intense firing.
槍聲十分緊密。