n.在火烧过（或开拓出来）的土地上长得极快的杂草，野莴苣...

This moorland is covering block, fireweed is fascicular , everywhere bumpy.这片荒地覆盖着石块, 杂草丛生, 到处坑坑洼洼.For malign and ab extra inbreak fireweed.为恶性外来入侵杂草....

fireweed的音标：fireweed的英式发音音标为：['faɪəwi:d]fireweed的美式发音音标为：['faɪəˌwid]...