| 单词 | blood relation |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔connected〕They're not blood relations - they're just connected by marriage.他们不是血亲——不过是姻亲而已。剑桥高阶They're not blood relations. They're only connected by marriage.他们不是血亲，只是姻亲而已。剑桥国际 |
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