About 400 species: mostly tropical and subtropical, few in temperate Asia, Africa, and America; 34 species in China.

大约400种：在温带的亚洲，非洲和美国主要热带和亚热带，很少；中国有34种。

youdao

Any of various fierce, mostly tropical marine fishes of the genus Sphyraena that resemble pike, have a projecting lower jaw with fanglike teeth , and include some edible species.

梭鱼，康马氏鲛一种凶猛，大多为魣属的热带海生鱼，类似梭鱼，有带尖牙的突出的下颚，包括一些可食种类。

youdao

But personally, I think whatever money comes from the Redd scheme, grants, public funds, markets, it will mostly go to poorer countries with tropical forests like Congo.

但是，我个人认为，无论资金来自REDD计划、津贴、公共基金还是市场，主要都是发往如刚果这样有热带森林的贫穷国家。

youdao

Sabah at the time had become a playground for young, mostly British adventurers who faced tropical diseases like malaria and the occasional headhunter in the thick rainforests.

CNN: ASIANOW - TIME Asia | Travel Watch | Detour

According to the World Health Organisation, dengue is now endemic in more than 100 tropical and sub-tropical countries around the world, affecting some 50m people a year, mostly in urban or semi-urban areas.

ECONOMIST: Dengue fever