Settled layer
[化] 沉积层
🧩 词语组成解析
settled
[['setld]]
a. 固定的, 决定的, 持续的, 难以消除的\\n[经] 付讫的, 固定的, 结过帐的
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
That's where our difficulty lies.
那就是困难所在。
How did you do it?
你是怎样达成它的？
But even the mosquito has been subdued by attention to drainage and by chemical sprays.
然而即使蚊子，也由于我们注意清理污水和喷洒化学药品而被制服了。