Roll grinder
[機] 輥筒磨輪機
?? 詞語組成解析
roll
[r?ul]
vt. 輾;使（眼球等）左右轉動;（使）原地轉圈;滾動;
vi. 左右搖晃;翻滾;開始移動，啟動;
n. 名冊;滾翻;
grinder
[['graind?]]
n. 推磨的人, 研磨者\\n[化] 磨床; 磨木機; 研磨機
??? 情景例句
Sports help to develop healthy bodies.
運動可以鍛煉健康的身體。
How much is a one-way ticket?
單程車票多少錢一張？
In 1858 an area of poor housing, factories and farm buildings was torn down and Central Park was created, reaching from 59th Street to 110th Street and across three avenues.
1858年拆除了一大片破舊的房屋、工廠和農舍，建起了中央公園，這個公園從59街延伸到110街，跨越三條大馬路。