Upper mantle
上地幔
🧩 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;
mantle
['mæntl]
n. 覆盖物;幕;披风;斗篷;
vt.&vi. 覆盖;
🗣️ 情景例句
She looks neat and fresh.
她看起来优雅清新。
To teeter-totter
玩跷跷板
Class 3 were the winners!
3班获胜了！