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发音<br>舌尖紧贴上牙龈<br>声带震动<br><br>单词<br>day deal deer <br>bad bed child <br>old side wood<br>feed find good <br>study today under<br>hide mood need <br>down dress during<br>model order product <br>already condition consider <br>development different dinosaur<br><br>句子<br>The bed is old. <br>The child feels good.<br>We can order food online.<br>Don’t study under pressure.<br>The dress is very expensive to buy.<br><br>同音<br>[d]<br>ad add<br>dear deer<br>bad bade<br>billed build<br>board bored<br>band banned<br>desert dessert<br>allowed aloud <br><br>辨音<br>[d] [t]<br>bid bit <br>dry try<br>bad bat<br>bed bet <br>had hat <br>mad mat <br>ride right <br>fade fate<br>code coat<br>down town<br><br>[d] [ð]<br>day they<br>den then<br>dare there<br>load loathe<br>ladder lather<br>breed breathe<br>dough though<br>wordy worthy