Backcrossed
v. 回[逆]交, 回交雜種( backcross的過去式和過去分詞 )
??? 情景例句
We'd like to give thanks for meeting Susan
我們要感謝認識了Susan
I'm brushing my teeth in the bathroom.
我在浴室刷牙。
Are they going to return soon?
他們很快就回來嗎？