英语词汇hitherto unknown怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

1
In 51 survivors and their descendants, they discovered a hitherto-unknown variant of PRNP, the gene which makes prions, the proteins that spread the disease.
他们在51位幸存者和他们的后代身上发现了一种目前为止无人发现的PRNP变体。PRNP是含有库鲁病传染源——朊病毒——一种蛋白质的源代码。
2
Whether they were alive or not, this was a riddle hitherto unknown.
他们是生是死，迄今还是一个谜。
3
On April 5th it emerged it had detected what looked like a hitherto unknown particle.
4月5日暴露出它已探测到一个好像迄今未知的粒子。

单词	hitherto unknown
释义	hitherto unknown 简明释义迄今未知的：指以前未被发现或未被了解的事物或情况。网络释义短语 1 Hitherto Unknown 前所未有双语例句 1 In 51 survivors and their descendants, they discovered a hitherto-unknown variant of PRNP, the gene which makes prions, the proteins that spread the disease. 他们在51位幸存者和他们的后代身上发现了一种目前为止无人发现的PRNP变体。PRNP是含有库鲁病传染源——朊病毒——一种蛋白质的源代码。 2 Whether they were alive or not, this was a riddle hitherto unknown. 他们是生是死，迄今还是一个谜。 3 On April 5th it emerged it had detected what looked like a hitherto unknown particle. 4月5日暴露出它已探测到一个好像迄今未知的粒子。
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