头等
a class
头等的
clipping; top
blue-ribbon
头等品质
top grade quality
头等杀人罪
first-degree homicide
头等证券
first-class paper
隧道清洗磁头
tunnel erase head
榫头
rabbet
梭状乳头
papillae fusiformis
缩径管接头
reducing coupling
缩头缩脑
fainhearted; timid
锁骨头颅的
cleidocranial
胎儿断头剪
endotome
胎头测量钳
labidometer; labimeter
胎头冲击触诊
cephalic ballottement
胎头刀
cephalotome
胎头倒转术
cephalic version
胎头骨盆的
cephalopelvic
胎头交锁
head locking; head-lock
胎头牵引带
sericeps
胎头嵌塞
caput incuneatum