V-ERG
(使)(身體部位，尤指喉嚨)收緊，收縮
If a part of your body, especially your throat, is constricted or if it constricts, something causes it to become narrower.
例句
Severe migraine can be treated with a drug which constricts the blood vessels...
嚴重的偏頭疼可以用一種收縮血管的藥物進行治療。
My throat constricted, so that I had to concentrate on breathing.
我的嗓子發緊，所以我不得不把注意力集中在呼吸上。