of the moment

此刻，现在

odometer, odor, odorous, odour, odour (US odor), odourless, odyssey, OECD, oecumenical, Oedipus complex, oesophagus (also esp US esophagus), oestrogen, of, of all time, of course, of importance, of itself, of late years, of necessity, of one's own, of...importance, of...interest, of...value, off, off and on, off balance, off chance, off duty, off of, off(-), off-beat, off-cut, off-day, off-duty, off-grade, off-handedly, off-key, off-licence, off-line, off-load,