Border layer
[医] 界层(虹膜第四层,由前向后)
🧩 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
If your pet turtle gets sick, take him to the vet.
如果你的宠物龟病了，带它去看兽医。
I will go to the airport.
我将去飞机场。
as the wave leaves the particles behind back to its starting point again.
当波浪把微粒留在身后时又回到出发点。