🧩 词语组成解析
n. 咖啡因；茶精（兴奋剂）
🗣️ 情景例句
Please tell him that Lu Ming tried to contact him.
请你转告他陆明正设法跟他联系。
Come to see me tomorrow if it is convenient to you.
你如果方便的话，明天来看我。
It's a good idea to hold such conferences.
召开这样的会议真是个好主意。