些只東亞家蝠飞翔→几只 飞来飞去 的东亚家蝠

黄昏→傍晚，些只東亞家蝠飞翔→只有 几只東亞家蝠飞来飞去，不过没那么很多。我觉得東亞家蝠是生物之一的一九九五年的大震灾以后减少数的。因为東亞家蝠在人家的缝里做窝巢。→我认为，东亚家蝠的数量在一九九五年的大地震中减少， 是因为東亞家蝠在人们房子的墙缝里筑巢。

* In Chinese, "some=一些，几…"  BUT "几…(few of / little of…)" is fewer than "一些(a few/ a little)", thus it has two sligtly different meanings. In this passage, since the number of Japanese Common Pipistelles is not so many, "几只" may be better than "一些". Besides, in order to avoid needless duplication, I choose to use "只有(only)" to emphasize the scanty number of Japanese Common Pipistelles and I omit to translate the latter part ("but not so many") in Chinese.

Some Japanese Common Pipistelles fly around in the evening, but not so many. I think this kind of bats is one of the species that decreased the number because of the big earthquake in 1995. Because the bat makes the nest in small gaps of human's house. →I think the reason why this kind of bat decreased the number during the big earthquake in 1995 is that the bat makes the nest in small gaps of human's house.   (I‘m afraid the revised version may change the original meaning,  for  reference only)

* use the singular (kind/sort) or plural (kinds/sorts) depending on the word you use before them.
 e.g. This kind / sort of question often appears in the exam
         These kinds / sorts of questions often appear in the exam
       

東亞家蝠在飞翔

黄昏，一些東亞家蝠在飞翔，不过数量没那么多。我觉得東亞家蝠是生物之一的一九九五年的大震灾以后减少数的。这是因为東亞家蝠在人们房屋的缝里做窝巢。

我覺得東亞家蝠是一九九五年大震灾以后减少数量最少的生物之一。

Some Japanese Common Pipistelles fly around in the evening, but not so many. I think this kind of bats is one of the species that decreased the number because of the big earthquake in 1995. Because the bat makes the nest in small gaps of human's house.

些只東亞家蝠飞翔

黄昏，些只東亞家蝠飞翔，不过没那么很多。我觉得東亞家蝠是生物之一的一九九五年的大震灾以后减少数的。因为東亞家蝠在人家的缝里做窝巢。

Some Japanese Common Pipistelles fly around in the evening, but not so many. I think this kind of bats is one of the species that decreased the number because of the big earthquake in 1995. Because the bat makes the nest in small gaps of human's house.

黄昏.一些为数不多的东亚家蝠在空中飞翔.我觉得这种家蝠是1995年大地震中造成物种数量减少的其中之一.因为这种家蝠把我筑在人们居住的屋子的小缝隙里.

些只東亞家蝠飞翔
一些东亚家蝠在飞翔

黄昏，一些只東亞家蝠在天空中飞翔，不过没那么很多。我觉得東亞家蝠是一九九五年的大震灾以后减少的生物之一的一九九五年的大震灾以后减少数的。因为東亞家蝠在人家的缝里做窝巢。