Submantle layer
[医] 套下层(牙质)
🧩 词语组成解析
layer
['leiə]
n. 层，层次;膜;[植]压条;放置者，计划者;
vt. 把…分层堆放;借助压条法;生根繁殖;将（头发）剪成不同层次;
vi. 形成或分成层次;[植]通过压条法而生根;
🗣️ 情景例句
If you're prepared to put private information onto the internet, it won't be private for long.
如果你把个人资料放在互联网上，很快它就不会是什么秘密了。
Excuse me, would you give me a hand?
对不起，你能帮我个忙吗？
I wrote: Best wishes for Teachers' Day!
我写道：“谨致以教师节的良好祝愿！”