Spencer. You changed your mind.斯賓塞，你改主意了

change one's mind:改變主意

She is constantly changing her mind.

她經常改變主意。

He find it impossible to make her change her mind.

他發現使她改變主意是不可能的。

We can't know for sure. Emily looked it up,我們不確定，但是艾米麗查過

look up:查閱

You can look up this word in the vocabulary.

你可以在詞匯表里查這個詞。

You can look up a character under its radical.

你可以根據部首查找漢字。

相關短語:look up to尊敬

Children should look up to their parents.

孩子應當尊敬父母。

and her early pregnancy wouldn't have shown up in an autopsy.早期妊娠狀況尸檢是無法顯示的

show up:揭露；露面，出現

His show-off only serves to show up his ignorance.

他的賣弄只不過暴露了他自己的無知。

What puzzles me is why they didn't show up.

令我百思不解的是他們為什么沒有出現。