serous

adj [usu attrib 通常作定语] of or like serum; watery （似）浆液的, 血清的; 水的; 多水的.

serfdom, serge, sergeant, sergeant-major, Sergt (also Sgt), serial, serial number, serialization, serialisation, serialize, serialise, serially, seriatim, series, serif, serio-comic, serious, seriously, seriousness, serjeant-at-arms, sermon, sermonize, sermonise, serpent, serpentine, serrate, serrated, serration, serried, serum, servant, serve, serve as, serve one's turn, serve right, server, service, service area, service break, service charge, service flat, service road, service station,