B instruction
[计] 变址指令
🧩 词语组成解析
🗣️ 情景例句
Well, you're the young man who did all this.
嗯， 你就是那位拍这些照片的年轻人。
He has gone to America.
他去美国了。[动作结束后的结果持续至今]
A short while ago, my sister helped me to carry one of my old bookcases up the stairs.
几分钟前，我妹妹帮我把一个旧书橱抬上了楼。