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[計(jì)] 浮動塊
?? 詞語組成解析
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[sla?d]
vi. 滑落;下跌;打滑;[棒球]滑壘;
vt. 衰落（成）;逐漸降低;使悄悄轉(zhuǎn)動;（使）快捷而悄聲地移動;
n. 幻燈片;降低;
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[p?d]
vt. 給…裝襯墊， 加墊子;填塞;踏平;
vi. 步行，放輕腳步走;
n. 墊，襯墊;護(hù)具;便簽本;發(fā)射臺;
??? 情景例句
He ventured his life to rescue a drowning child.
他冒著生命危險(xiǎn)去搶救一個(gè)溺水的孩子。
My salary doesn't keep up with inflation.
我的工資跟不上通貨膨脹。
The rope had been cut, so it was obvious that the lamb had been stolen.
繩子被人割斷，很明顯小羔羊是被人偷走了。