Jacobsen reaction
[化] 雅各布森反应
🧩 词语组成解析
雅各布森（男子名）
🗣️ 情景例句
And take measures to reinforce them. Please set your mind at rest.
并采取措施加固。请放心好了。
Could you ask her to give Doug a call when she gets back? She has my number.
她回来后，你能不能告诉她给道格挂个电话？她有我的电话号码。
Happy birthday! he said. Here's your present.
“生日快乐！”他说，“这是给你的礼物。”