That is the vulnerable spot of moral research.
而这正是德育研究中的一个薄弱环节。
The rail joint is a vulnerable spot in the railway.
钢轨接头系轨道薄弱环节。
My remark must have touched a vulnerable spot in him. He really got mad.
我的批评一定刺到了他的痛处，因为他很生气。
Then she remembers his most vulnerable spot is not the base of his spine.
她忽然想起了杰克最易受攻击的位置了，不是脊柱。
Then she remembers his most vulnerable spot is not the base of his spine.
她忽然想起了杰克最易受攻击的位置了，不是脊柱。
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