基本解释通婚英汉例句雙語例句Since Sirius makes a distinction with Molly being a cousin by marriage, we can assume that Arthur is more likely to be related by blood.因爲西歷厄斯明確地說過，他和莫麗是姻親表姐弟，那我們可以認爲亞瑟和他更可能是血親。be related by marriage更多例句