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
Let's get together sometime.
什么时候我们聚一聚。
Don't miss the boat.
不要坐失良机。
and whom I respect, confess at once that they have little idea where they are going when they first set pen to paper.
和尊敬的作家，都立即承认在他们动笔时，不清楚要写什么，怎么写。