【经】 obsolete vessel
go out; out of season; behind the times; date; outmoded
past the appointed time
barque; boat; sailer; ship; shipboard; vessel
【医】 scaph-
both; double; even; twin; two; twofold
【化】 dyad
【医】 amb-; ambi-; ambo-; bi-; bis-; di-; diplo-; par