New Words：

spit [spɪt] v. 吐，唾(唾沫、食物等)
spat [spæt] spit的过去分词和过去式

blob [blɒb] n. (尤指液体的)一点，一滴

Sample Sentences：

She spat in his face and went out.
It 's not allowed to spit everywhere.
Suddenly the volcano began to spit out blobs of red paint.

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