Columnar layer
[医] 杆体[锥体]层, 套层
🧩 词语组成解析
a. 圆柱的, 圆筒形的, 分纵栏印刷或书写的\\n[医] 柱状的
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
I found another mistake.
我又发现一个错误。
The two parties involved in a contract have the obligation to execute the contract.
合同双方有义务履行合同。
They also have the disadvantage of being an expensive form of transport.
飞机另一个缺点是昂贵。