英语 "up and down" 的发音 — 连读指南（IPA /ˈʌpənˈdaʊn/）

这个短语中发生的变化

and→/ən/; p→an 连音

例句

• He paced up and down.
• Prices go up and down.
• The kids ran up and down.
• It moved up and down.