n. the vertical dimension of extension; distance from the base of something to the top
词态变化
复数形式:heights
常见例句
1
a morbid fear of great heights
2
Both have a trunk of moderate height, but of enormous diameter, and a wide-spreading head
3
condition of heightened watchfulness or preparation for action n
4
n condition of heightened watchfulness or preparation for action n a warning serves to make you more alert to danger n an automatic signal (usually a sound) warning of danger v warn or arouse to a sense of danger or call to a state of preparedness
