Vision signal
[計] 視覺信號, 視頻信號
?? 詞語組成解析
signal
['s?gnl]
n. 信號，暗號;預兆，征象;動機;導火線;
vt. 向…發信號;用動作（手勢）示意;以信號告知;
vi. 發信號;
adj. 顯著的，優越的;暗號的，作信號用的;
sign記號，信號+al表名詞 → 信號
??? 情景例句
I love parades.
我愛看游行。
How long will the flight be delayed?
班機誕誤多長時間？
In 1858 an area of poor housing, factories and farm buildings was torn down and Central Park was created, reaching from 59th Street to 110th Street and across three avenues.
1858年拆除了一大片破舊的房屋、工廠和農舍，建起了中央公園，這個公園從59街延伸到110街，跨越三條大馬路。