| TRA | read with difficulty |
|---|---|
| TRA | follow, discover, or ascertain the course of development of something |
| TRA | make a mark or lines on a surface |
| TRA | copy by following the lines of the original drawing on a transparent sheet placed upon it |
| TRA | make one's course or travel along a path |
| TRA | pursue or chase relentlessly |
| TRA | to go back over again, as of a route or steps |
| TRA | discover traces of |
| TRA | an element that occurs at very small quantities in the body but is nonetheless important for many biological processes |
| TRA | a utility program that exhibits the sequence and results of executing the instructions in another program |
| TRA | (usually followed by `to') able to be traced to |
| TRA | capable of being traced or tracked |