Adding operator
[计] 加法运算符
🧩 词语组成解析
[计] 加法的
🗣️ 情景例句
Which subject were you best interested in?
你对哪一科最有兴趣？
Progress is the activity of today and the assurance of tomorrow.
进展即今日的活动和明日的保证。
and comforted by the thought of the help he was bringing to his friend,
想到能对朋友有所帮助，他感到欣慰，