問幾個單字的用法

From CNN:
But the 53-year-old Hwang has been under fire since November, when he admitted his team used eggs donated from junior scientists in his laboratory, a practice frowned upon because of coercion concerns.
請問這裡的 frowned, coercion 要作什麼解釋呢?
....... practice frowned upon because of coercion concerns.這句怎麼解呢?
1 個解答 1