rowland

 
       
  • ring [物]羅蘭環(huán)(用磁性材料制成, 用以研究材料的性能)

Rowland的用法和樣例:

例句

  1. Rowland hill, a schoolmaster in England, is the first to put forward a proposal to use stamp to cover postage.
    羅蘭·希爾,英國的一位小學(xué)校長(cháng),第一個(gè)提出用郵票來(lái)支付郵費。
  2. It was very sad; Rowland, after a year's separation, decided to return to her husband, but he refused to have her back.
    真是遺憾; 羅蘭離開(kāi)丈夫一年以后決定回到丈夫的身邊,而她丈夫卻拒絕了。
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