Sideliner
n. 不參與活動的人, 置身于活動之外的人; 局外人；旁觀者
??? 情景例句
Will you help me?
可以幫助我嗎？
Is it true that manufacturing of automobiles is a major industry?
汽車生產是主要工業是真的嗎？
These attracted many visitors, for they were not only of great architectural interest, but contained a large number of beautifully preserved frescoes as well.
這些教堂吸引大量游客，不僅是因為建筑風格奇特，而且還有大量保存完好的壁畫。