The pigs were squealing.是什么意思？

The pigs were squealing.

猪尖叫着。

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

pigs

abbr. passive investment generators 无源投资发电机；n. 猪( pig的名词复数 )，猪肉，令人不快（或讨厌）的人，金属块（锭）；

例句
'There's a chance he won't get involved in this, of course.' — 'And pigs might fly.'
“当然，他还是有可能不插手此事的。”——“是啊，太阳还能打西边出呢。”

were

be的过去时复数和第二人称单数形式，有时代替 was,用于条件从句、动词 wish 之后等；

例句
Shops, houses, and vehicles were set ablaze.
店铺、房子和车辆全都陷于火海。

squealing

v. 长声尖叫，用长而尖锐的声音说( squeal的现在分词 )；

例句
The pig rose squealing and bolted...
那头猪突然嗷嗷叫着狂奔起来。