汤姆又吹了两声口哨；得到了同样的回应。

Tom whistled twice more; these signals were answered in the same way.

youdao

两声巨响之后建筑物便燃烧起来。

There were two loud explosions and then the building burst into flames.

《牛津词典》

疑虑出现了；他们变得烦恼和不快；不知不觉中发出了一两声叹息。

Misgivings came; they grew troubled and unhappy; a sigh or two escaped, unawares.

youdao

Then he flung outward, feet first, with a swish, Kicking his way down through the air to the ground.

然后，纵身一跳，他两脚先伸出去，在空中乱踢乱舞，于是飕的一声，降落到地面。

耶鲁公开课 - 现代诗歌课程节选