They are officially classified as harmful and farmers try to keep their numbers down by shooting or poisoning them.

它们被正式地列为有害动物，农民们试图通过射杀或投毒来减少它们的数量。

youdao

Colubrids, and you probably heard this too, although they are often classified as venomous snakes, they are actually generally non-venomous.

黄颌蛇，你可能也听过这种蛇，虽然它们经常被归类为毒蛇，但实际上它们通常是无毒的。

youdao

Only eleven of these accidents were classified as major.

这些事故中只有十一例被判定为重大事故。

《牛津词典》

The Tamil Tigers,long classified by the United States as a terrorist group, waged a 26-year war for an ethnic-Tamil state in the northern part of the mostly-Sinhalese country before its defeat and final surrender in May.

VOA: standard.2009.10.22

In previous years, the U.N.Children's Fund has classified Haiti as a country 'in crisis.' Since the devastating earthquake struck, UNICEF has increased its efforts to restore shattered lives and protect children and women who are among the most vulnerable victims of this disaster.

VOA: standard.2010.02.04

Lake Malawi is classified as a Unesco World Heritage site due to its diversity of endemic fish.

BBC: The planet��s pristine waters

In Hong Kong, such loans are classified as "substandard" even if the debtor is still repaying.

CNN: Taiwan's Ticking Clock

Hydrocodone is classified as a narcotic, and prescribed to relieve moderate to severe pain.

WSJ: Bills DE Williams fails to mediate ring dispute