🧩 词语组成解析
upper
['ʌpə]
adj. 地位较高的;上面的;内地的;地表层的;
n. 鞋帮，靴面;兴奋剂;令人兴奋的经历;
paleolithic
[ˌpæliəu'liθik]
adj. 旧石器时代的;
🗣️ 情景例句
Is a letter of credit OK?
用信用卡可以吗？
Did you give it to him yourself?
你自己亲自交给他吗？
Ann began to put the candles on her cake. Then she counted them.
安开始把蜡烛插到她的生日蛋糕上。插完，她数了数。