久久国产欧美日韩精品,日韩国产精品久久久久久亚洲,99视频精品全部免费免费,91精品国产综合久久走光

阿卡英語(yǔ) / 查找：“呈螺旋” [共找到1條結(jié)果]

  • “呈螺旋”造句

    有些生物分子呈螺旋狀.Some biological molecules have the form of a helix.葉片呈螺旋狀開略帶紫色白花的北美紫菀.North American perennial with apparently whorled leaves and showy white purple - tinged flowers.歐洲蘭花,花色雪白,總狀花序較短、呈螺旋狀.European orchid havin...