🧩 词语组成解析
n. 咖啡因；茶精（兴奋剂）
🗣️ 情景例句
You need to pay more attention to it.
你需要更加留心。
Don't forget to put stamps on your letter.
别忘了贴邮票。
After speaking for about half an hour he came to a sad part of the family history.
大约谈了半个小时之后，他谈到了家族史中的一件伤心事。