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
I intend to major in economics in college.
我想在大学里主修经济学。
Better the foot slip than the tongue trip.
宁可滑跤，不可失言。
At exactly that moment, the telephone rang.
恰恰在此时，电话铃响了。