Sewin
n. [魚]西鰛,西海鱒(亦作sewen,siwin)
??? 情景例句
I don't want to sound like a busybody, but didn't you plan to go abroad?
我并不想瞎打聽，可你原來不是打算出國嗎？
Packing has a close bearing on sales.
包裝直接關系到產品的銷售。
Insects would make it impossible for us to live in the world;
要不是人類受一些食蟲動物的保護，昆蟲就會使我們無法在地球上生活下去，