a group of planes; (air) fleet 短语和例子大机群 air armada; air fleet大机群: balbo分机群: extension group舰队,机群: armada陈旧的机群: ageing fleet of aircraft大机群飞行: fly in large numbers; mass flight下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:机群,即可在微信中查询翻译