Channel stection
[机] U形剖面
🧩 词语组成解析
🗣️ 情景例句
David Ogvy is the first genius of modern advertising.
大卫.奥格维是现代广告的第一天才。
Are you married?
你结婚了吗？
Hay had been cut and cowsheds had been cleaned.
干草已切好，牛棚也打扫干净了。