視頻對話：
Did you find anything on the foil?
你在錫箔上發現了什么？
Bacon grease and trace amounts of ketchup.
培根油和少量番茄醬。
本期學習詞匯：
foil
n.箔，金屬薄片；陪襯，陪襯物；（鏡底的）銀箔，（寶石等的）襯底；（船）翼；花劍
vt.用……陪襯，襯托；鋪箔于；[建]給……加上葉形飾；挫敗，使受挫折
例句：
1. Pour cider around the meat and cover with foil.
在肉周圍倒上蘋果酒，然后以箔紙覆蓋。
2. He thought of her serenity as a foil for his intemperance.
在他看來，她的平靜反襯出了他的放縱。
3. A cold beer is the perfect foil for a curry.
冰鎮啤酒是吃咖喱的絕配。
4. A brave police chief foiled an armed robbery on a jewellers' by grabbing the raiders' shotgun.
一位勇敢的警長奪過了意圖襲擊珠寶店的劫匪手中的獵槍，挫敗了這起持械搶劫案。
5. Foil, epee and sabre are the three weapons used in fencing competitions.
花劍，重劍和佩劍三種劍在擊劍比賽中使用。