I had a letter from my sister yesterday.
昨天我收到了姐姐的一封信，
新概念英语第二册
Lesson 23 A new house
📚 句中词汇解析
从本句中提取的重要词汇
n. 昨天;往昔;<正式>过去;
adv. 在昨天，在昨日;近来;
💡 yester昨日+day一天 → 昨天
"Believe it or not, he was here yesterday as large as life."
信不信由你, 他昨天确确实实是在这儿.
近义：lately, past, yore
n. 信;证书，许可证;字母，文字;字面意义;
vt. 用字母标明;写字母于;加标题;
vi. 写印刷体字母;
"a letter of accreditation"
一份合格证明书
近义：label, mark, docket, missive, note, epistle
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;
"Mr Darcy's affection for his sister"
达西先生对他妹妹的关爱之情
近义：sibling, sis, nun, sisterly