🧩 词语组成解析
n. 滩头堡
🗣️ 情景例句
May I ... may I help?
我能……我能帮上忙吗？
Life is not so short but there is time enougn for courtesy.
人生虽短，但表示礼貌的时间还是足够的。
Man-made satellites have been sent up into space by many countries.
许多国家都成功地把人造卫星送入了太空。