Penny's only son was the apple of her eye.

　　彭妮的獨(dú)子是她的心肝寶貝。

　　I planted those apple trees.

　　我栽了那些蘋果樹。

　　Someone threw an apple core

　　有人扔了一個(gè)蘋果核。

　　Polly took a bite of the apple, chewed and swallowed.

　　波利咬了一口蘋果，嚼了嚼咽了下去。