您要查找的是不是：
- 左n-Engelleft n-Engel
- 左left
- 弱左Engel元Weak left Engel element
- 向左sinistrad
- n-Engeln-Engel
- 左对齐flush left
- Engel群Engel group
- Engel级数展式Engel series expansion
- 左下角lower left corner
- Engel连分数展式Engel-continued fraction expansion
- 左的sinistral
- 向左转bear left
- 在左left
- 左舷port
- 左下的bottom-left
- 左前left anterior
- 左上方top-left
- 左转弯left-hand bend
- 左拉Zola
- 左移left shift
