Attending
来自Big Physics
Middle English (in the sense ‘apply one's mind or energies to’): from Old French atendre, from Latin attendere, from ad- ‘to’ + tendere ‘stretch’.
wiktionary
attend + -ing
Middle English (in the sense ‘apply one's mind or energies to’): from Old French atendre, from Latin attendere, from ad- ‘to’ + tendere ‘stretch’.
attend + -ing