Foster sister
[医]收养的姊妹（无法律效应的）
🧩 词语组成解析
foster
['fɔstɚ]
v. 培养;抚育;促进;代养;
adj. 寄养的;代养的;
sister
['sɪstɚ]
n. 姐妹;（称志同道合者）姐妹;修女;护士;
adj. 姐妹般的;同类型的;
v. 如姐妹般相待;
🗣️ 情景例句
And that includes Susan.
包括Susan的。
I wrote several letters on my mother's behalf.
我代表我母亲写了几封信。
When you have found a building in which to start your school.
你找到开办学校的楼房后