Scientists have achievedr a major_______ in the search for a
| Scientists have achievedr a major_______ in the search for a cure for cancer, _____ is good news for those who suffer from cancer
|
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breakthrough 意思为 “突破”, a breakthrough in sth在某方面上的突破; which引导的非限制性定语从句, 指代前面句子的内容。
breakthrough 意思为 “突破”, a breakthrough in sth在某方面上的突破; which引导的非限制性定语从句, 指代前面句子的内容。
1年前
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