?? 詞語組成解析
non
[[n?n]]
adv. 非, 不
hearing
['h?r??]
n. 聽力，聽覺;審問;聽力所及的距離，聽得見的范圍;聽證會，〈美〉意見聽取會;
v. 聽到，聽見( hear的現在分詞);
hear聽 + ing 名詞后綴→ 聽力,聽覺
??? 情景例句
But it is not polite to ask older people their age.
但問老人的年齡是不禮貌的。
He is watching the sea on the mast.
他從桅桿上面眺望著大海。
and it is only in the seas and rivers, and sometimes lakes, where mud and sit have been continuously deposited,
所以只有在泥沙不停淤積的海洋和江河里，有時在湖泊里，