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stroke (of a racket, in swimming, etc.)
ストロークが速いはやいですね。
Your stroke is fast, isn't it?
今日きょうのストローク練習れんしゅうはきつい。
Today's stroke practice is tough.
彼女かのじょのストロークはいつも正確せいかくで美しいうつくしい。
Her stroke is always precise and beautiful.