基本解释[地球科學]詳細說明書英汉例句雙語例句The author should be someone who knows your work well enough to write a circumstantial letter.寫推薦信的人應該對你的學習有充分的了解，才能寫出一份詳盡的推薦信。edu.sina.com.cncircumstantial letter更多例句专业释义地球科學詳細說明書