v.（使）镇静；（使）平静
=tranquilize.
The game warden tranquillize the rhinoceros with a drug dart. 猎物保护区管理员用麻醉射器让犀牛静了下来。
The game wardens tranquillized the rhinoceros with a drugged dart. 猎物保护区管理员用麻醉射器让犀牛静了下来。
n.镇定剂
=tranquilizer(美)；tranquilliser(英).
