touch down什么意思解释？

touch down的音标：touch down的英式发音音标为：[tʌtʃ daun]touch down的美式发音音标为：[tʌtʃ daʊn]...

We should touch down very soon now.我们很快就要着陆了.He broke through the centre to touch down right between the goal - posts.他冲过中场,在两个门柱之间直接达阵得分.The plane should touch down at two o'clock.这架飞机应在两点钟降落....