Barrier layer
[计] 阻挡层, 势垒层
🧩 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
You really must have your wits about your when dealing with such people.
跟这类人打交道，你必须格外警觉。
I'm a poor golfer.
我是一个拙劣的高尔夫球手。
She withdrew $1000 from her bank and followed the kidnapper's instructions.
她从银行取出1，000 英镑，并照绑架者的要求做了。