帮忙几句中翻英

谢绝翻译器

1.人类要多久才能住到海底至今尚不清楚(uncertain)

2.所有到场的人无不为英雄的回报而感动的(present)

3.生存环境遭到破坏，致使动物数量急剧下降(which)

1. It is still uncertain that when humankind can live under the sea.

2. Everybody present was touched by the returns from the heroes.

3. The living environment has come to destruction, which has caused the amount of animal's species decreasing severely..

it's uncertain when the human can live under the sea.

All of the presents who were not touched by the return hero.

Habitat destruction was destroyed which resulting in a sharp decline in the number of animals.

1.It is not known that how long it will take to live in sea floor.

2.All the peopl present were moved by the payback of hero.

3.The environment for survival got damaged, which caused Wildlife Population fallen rapidly.

1 . How long can humans live in the bottom of the sea is not uncertain

2 All those who present were all touched by hero returns

3 The destruction of the living environment which resulted in a sharp decline in the number of animals