How to Use "eld" with Example Sentences

1. My granddaddy died three eld ago .
2. Selection of hainan eld 's deer on foraging sites and food items .
3. Probe into the pregnancy outcome of eld gravida with sugar metabolism abnormality .
4. I am the autumn cloud , empty of rain , see my fullness in the eld of .
5. That boy is about ten eld old .