English Dictionary

upfield

adj

(sports) Away from the defending team's end of the playing field / (chemistry) Describing an NMR resonance at a lower frequency to that of a reference signal

The upfield pass was perfectly executed.

意味（1）

(sports) Away from the defending team's end of the playing field

Henderson, beginning a mini-run in the team with David de Gea on paternity leave, threw out to the left flank and Shaw had only one thought – to rumble upfield.

意味（2）

(chemistry) Describing an NMR resonance at a lower frequency to that of a reference signal