cleaned [kliːnd]
washed [wɔʃt]
watched [wɑtʃt /wɒ-]
bored [bɔ:d]
visited [ 'vɪzɪtid]
learned ['lə:nid]
played [pleɪd]
sore [sɔ,sɔə]
这些是过去时态,
在清辅音后读[t] 如stopped
在浊辅音后读[d] 如learned
在元音后读[d] 如enjoyed
在[d]、[t]后读[id] 如invented