1. 局限于：be resistant to 对...有抵抗作用 | be restricted to 局限于 | be secreted from 从...分泌出来
2. 限定在(某一范围内)：spring from a long tradition 发源于悠久的传统 | be restricted to限定在(某一范围内) | be capable of 能够,有能力
3. 仅限干：139be resistant to对...有抵抗作用 | 140be restricted to仅限干 | 141be secreted from从...分泌出来
4. 限于：3. be associated with 与....有联系 | 4. be restricted to 限于 | 6. catch a glimpse of 瞥见