 it will encounter many domain-specific unknown words (e.g., `angstrom' ) and words whose meanings shift across domains(e.g., `conductor' ).
<clarity>  it will encounter many domain-specific unknown words (e.g., `angstrom' ) and words whose meanings shift across domains(e.g., `conductor' ).
 it will encounter many domain-specific words (e.g., `angstrom' ) and words whose meanings shift across domains(e.g., `conductor' ).