Previous attempts to tranquilize the animal, known as the " Man-eater of Champaran" had failed.

此前，人们曾试图给这只“昌帕兰食人虎”打镇定剂，但都以失败告终。

Officials and veterinarians are utilizing helicopters and dart guns to find and tranquilize the rhinos.

官员和兽医正在利用直升机和麻药镖枪寻找及安抚犀牛。

Police and wildlife officials were able to tranquilize the bear and then move it to a more appropriate location.

警察和野生动物保护官员已经麻醉这只熊，然后把它转移到一个更合适的地点了。

Wildlife officials in the Indian state of Assam have tranquilized a wild leopard that injured at least thirteen people.

印度阿萨姆邦的野生动物官员成功镇静一只野生猎豹，此前，这只猎豹造成至少 13 人受伤。

We need to tranquilize this reindeer, stat!

我们要让这驯鹿冷静下来 快点！

Wildlife officials in the Indian state of Assam have tranquilized and contained a wild leopard that injured at least 13 people.

印度阿萨姆邦的野生动物官员已经对一只野生豹进行了麻醉并控制住了它，这只豹子已经导致至少13人受伤。

] [NEWS CLIP: It's a new synthetic opioid usually used to tranquilize elephants.

] [新闻剪辑：这是一种新型合成阿片类药物，通常用于镇静大象。

This is no time to engage in the luxury of cooling off or to take the tranquilizing drug of gradualism.

现在不是奢侈地冷静下来或服用渐进主义镇静剂的时候。

Some places are so desperate to protect their rhinos that they will tranquilize them and carefully remove their horns in the hope that poachers will leave these hornless rhinos alone.

有些地方为了保护犀牛，孤注一掷，他们会麻醉犀牛，然后小心翼翼地取走犀牛角，希望偷猎者能放过这些无角犀牛。

Essentially a syringe-arrow, tranquilizer darts have a hollow needle on their ends to pierce the skin of the target, at which time another mechanism kicks in to inject the tranquilizing liquid.

镇静剂飞镖本质上是一个注射器箭头， 其末端有一个空心针， 可以刺穿目标的皮肤，此时另一个机制启动， 注入镇静液体。