Horizontal scanning
[計] 水平掃描
?? 詞語組成解析
horizontal
['h?r?'zɑntl]
adj. 水平的，臥式的;地平線的;[植]（枝條）平層的;同一行業(yè)的，同階層的;
n. 水平線;水平面;水平位置;水平的物體;
[計] 掃描\\n[醫(yī)] 斷續(xù)言語, 掃描
??? 情景例句
Do I have any appointments?
我有什么約會么？
No, it isn't. It's a bus.
不，那是一輛公共汽車。
Neither was I surprise when the train stopped at Widley, a tiny station a few miles along the line.Even a mighty express train can be held up by signals.
火車開出幾英里即在一個小站威德里停了下來。對此，我不覺得奇怪，因為即便是特別快車也可能被信號攔住。