Contaminates
v. 把…弄臟, 污染( contaminate的第三人稱單數(shù) ); 玷污, 毒害, 腐蝕（人的思想或品德）
??? 情景例句
She majored in math and physics at university.
她在大學(xué)里主修數(shù)學(xué)和物理。
Kind words are worth much and cost little.
口頭方便不費力。
There's an old teapot over there. Isn't it beautiful! said Ann.
“那兒有一個舊茶壺。它不美麗嗎？” 安說