botulinurn toxin的用法和樣例：
例句
- Injections of botulinum toxin can relieve dystonia for some, but the effect lasts only a couple of months.
注射肉毒桿菌毒素可以減輕某些人的肌張力不全現象，但效力只能維持幾個(gè)月。 - After injecting botulinum toxin type A in the left eye, her eye became red and painful.
經(jīng)過(guò)左眼肉毒桿菌毒素注射治療眼瞼痙孿后，患者有左眼紅痛表現。
