Two layered cylinder
[化] 双层筒
🧩 词语组成解析
two
[tu]
n. 两个;两个东西;两点钟;一对;
adj. 两个的;我同;
num. 两个;第二;二;
layered
[['leiəd]]
a. 层状的；分层的
🗣️ 情景例句
We'll come upstairs and get you in a little while.
我们待会儿就上楼来带你下去。
To know everything is to know nothing.
事事皆知，事事不懂。
What are these?
这些是什么？