retracted slat收起: pack up; cut out; stop; retr ...的: 4次方是 The fourth power of 2 i ...前缘: lip; snoot; leading edge缝: seam翼: the wing of a bird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:收起的前缘缝翼，即可在微信中查询翻译
