tranquillize
(US also tranquilize), tranquilise , v [Tn]
make (a person or an animal) calmer or sleepy, esp by means of a drug 使(人或動物)安靜或入睡(尤指用藥物)
The game wardens tranquillized the rhinoceros with a drugged dart. 獵物保護區管理員用麻醉射器讓犀牛靜了下來.
the tranqullizing effect of gentle music 輕柔的音樂具有的安眠作用.