pine/pineapple/pint/pin
记忆：
1. pine [ pain ] n. 松树 v. 消瘦, 憔悴, 渴望, 渴慕 Mr. Zhang is pining to see his girlfriend who left for further study three years ago. 张先生渴望见到三年前出去进修的女朋友。
2. pineapple [ 5painApl ] n. 凤梨, 菠萝 The yellow pineapple gives off a nice smell. 黄色的菠萝发出怡人的香味。
3. pint [ paint ] n. 品脱 (等于!/8加仑或16盎司, 0. 473升） He just drank a pint of beer. 他只喝了一品脱啤酒。
4. pin [ pin ] n. 大头针, 别针 vt. 钉住, 别住 Will you please fetch me some pins to pin these papers?请你去给我拿些别针来别住这些文件吧。
另类阅读：
I pinned a label to the pint of pineapple juice by a pine.