Four-layer
四层
🧩 词语组成解析
four
[fɔr]
num. 四;四个;第四;
n. 四的;四个一组之物;
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
A list of these items and a volunteer form
这些物品的清单和义工申请表格
Don't forget to cable to let us know you arrived safely.
不要忘记在你安全地到达后打电报让我们知道。
It was the middle of winter.
此时正值隆冬季节，