Backstroker
n. backstroke （反手击球）的变形
🗣️ 情景例句
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请您告诉我们付款方式好吗？
He's a lawyer.
他是律师。
Litter baskets have been placed under the trees, but people still throw their rubbish everywhere.
树下都已设置了废物筐，但是人们仍到处扔垃圾。