havedone
常考释义
Healso said in hindsight, it was "probably true" that BP should havedone more to prepare for such an emergency.
他也在事后才意识到，BP公司的确应该为这类紧急事件做更好的准备。
They havedone so by showing that chimerism extends to all sorts of tissues, includingmarmoset sex cells.
她们进一步揭示了嵌合现象延伸到了各个生理组织，包括狨猴的生殖细胞。
Whatever you havedone, the teacher won't say something about you.
无论你做了什么，老师都不会说你的。
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