研究的对象是尼罗河驴羚，一个濒危的羚羊品种。
The study in question was of Nile lechwe, an endangered antelope.
夕阳西下，博茨瓦纳的奥卡万戈三角洲被一片紫色的光辉所照耀，驴羚正在休息。
Lechwe rest as the setting sun casts a purple glow over Botswana's Okavango Delta.
夕阳西下，博茨瓦纳的奥卡万戈三角洲被一片紫色的光辉所照耀，驴羚正在休息。
Lechwe rest as the setting sun casts a purple glow over Botswana's Okavango Delta.
应用推荐