helicopter 'helikɒptә
释义
n. 直升机
vt. 由直升机运送
vi. 乘直升机
英文释义
n. an aircraft without wings that obtains its lift from the rotation of overhead blades
词形变化
复数: helicopters 过去分词: helicoptered 现在分词: helicoptering 过去式: helicoptered
BNC词频排名: 4,159 | 当代语料库词频排名: 3,100