1.clock n. 時鐘；鬧鐘；掛鐘；連續(xù)；白天黑夜的
turn the clock back 讓時光倒流
例句：If only we could turn the clock back!
時光能夠倒流該多好??！
2.pot n. 罐，壺
a melting pot熔爐；熔科鍋（象征，美國多民族文化）(a container in which metals can be melted; symbolizing the American multi-national culture)
例句：The Americans came from almost every part of the world. That's why America has long been known as a melting pot.
美國人來自世界幾乎每一個角落，因此長久以來美國都被稱做“熔爐：。
3.slow down 使…緩慢下來
slow down 速度減慢(reduce the speed, move more slowly)
例句：1．Slow down, or you'll be fined．
開慢點，否則你會被罰款的。
2.Chemistry can achieve a slowing down of the aging process.
化學(xué)可以取得減緩衰老遼程之功效。