好像是抽鼻子的，动物的声音。

A kind of snuffling, an animal sound.

youdao

然后他抽了抽鼻子。空气里有一股烧焦的味道。

Then he sniffed. There was a smell of burning.

《柯林斯英汉双解大词典》

现在，汤姆自己也在抽鼻子了——他是最可怜自己的。

Tom was snuffling, now, himself—and more in pity of himself than anybody else.

youdao

现在，汤姆自己也在抽鼻子了——他是最可怜自己的。

Tom was snuffling, now, himself—and more in pity of himself than anybody else.

youdao