Lower mantle
下地幔
🧩 词语组成解析
lower
['ləuə]
adj. 下方的;在底部的;较低级的;
v. 降低;减少;缩小;
mantle
['mæntl]
n. 覆盖物;幕;披风;斗篷;
vt.&vi. 覆盖;
🗣️ 情景例句
We should have done it sooner.
我们早就该取下来的。
Once bitten, twice shy.
一次被咬，下次胆小。
Wu dropped his stick! He stopped to get it and of course fell behind.
吴的接力棒掉地了！他停下捡棒，当然就落后了。