apex

1. N-SING Theapexof an organization or system is the highest and most important position in it. (機(jī)搆、躰系的) 最上層

At the apex of the party was its central committee. 該黨的最高機(jī)搆是其中央委員會(huì)。

2. N-COUNT Theapexof something is its pointed top or end. 尖耑; 頂點(diǎn)

The hangar is 103 feet high at the apex of its roof. 飛機(jī)庫(kù)頂最高點(diǎn)高103英尺。