Although not announced until February, 1968, in the summer of 1967 graduate student Jocelyn Bell observed the first pulsar, or rapidly spinning collapsed star, to be sighted.
语法 Sentence Correction-3642
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正确的用户笔记
liqijie3242656 2014-08-02 13:20:00
announced分词修饰的是主句主语Jocelyn Bell，不和逻辑，
gloriazxl 2014-07-10 23:54:39
Although not announced..后面的逻辑主语不对
gmat700的猫的喷嚏 2016-12-19 22:47:23
这句话就是结构不清，不符合basic grammar rules，前半句although引导的应该是个句子，后半句也不够完整
annie654 2016-05-15 16:30:22
anounce的逻辑主语错
ypheroin 2016-01-13 17:23:58
JB 不能做 announced的逻辑主语
海蓝新雨 2015-07-25 12:00:43
主句的主语，应该以 first pulsar被发现开头，而不是以一大堆时间状语开头。
陈圈圈o_O 2014-11-20 10:17:35
announce的主语非JB，observe sth. to be sighted不合逻辑
qiyeran346 2014-09-24 11:55:55
modifiers severly misplaced
