1 عمومی:: تصادم، صدمه وتكان مغز كه منجر به بیهوشی میشود
شبکه مترجمین ایران
1 general:: noun ADJ. bad | mild, minor, slight VERB + CONCUSSION have, suffer PREP. with ~ He was carried off the field with slight concussion.
Oxford Collocations Dictionary