sidingKK [ˋsaɪdɪŋ] /ˈsaɪdɪŋ/发音名词1外墙板、壁板、外墙材料美式They replaced the old wooden siding with vinyl panels last summer.去年夏天他们把老旧的木质外墙板换成了塑胶板。2侧线、避车线、岔道铁路The freight train pulled onto a siding to let us pass.货运列车驶入侧线,让我们的车先通过。用这个字练口说→