flyway候鸟: bird of passage; migrant bir ...飞行: flight; flying; aviate; voya ...路线: route; itinerary; way; tail; ...候鸟的固定飞行路线: flyway飞行路线: flight line; flight path; flight route; line of fight; line of flight; trajectory下载手机词典可随时随地查词查翻译