Ject对"elongation" 的正确翻译：n. 延伸。发音：[ˌi:lɔŋ'geiʃən;iˌlɔŋ'geiʃən]。例句参考：Any of several plant hormones that regulate various functions, including cell elongation. - 植物生长素一种调节多种功能, 包括细胞伸长的植物激素；