他把盖子扣紧,以使内容物保持干燥.He snapped the lid on to keep the contents dry.不一会儿, 潜水艇内所有的东西都扣紧了.Within a short time, everything on the submarine was buttoned up.两只衣箱的皮带都已扣紧.The straps on the two suitcases were secure....

“扣紧”的英语可以翻译为：straining，cocking，tensioning，button，fastening ...

“扣紧”的拼音为：kòu jǐn...