baseman

n.

一（二、三）垒手，守垒员；

second baseman n. 棒球中的二垒手

first baseman一垒手

third baseman n. [棒]三垒手

1. The first baseman made 15 putouts.
   一垒手出局了15次。
2. The third baseman let the ball roll between his feet.
   第三名垒手让球从他的两只脚之间滚了过去。

First baseman's mitt
The epidemiology of human papillomavirus infections
Baseman JG, Koutsky LA.. The epidemiology of human papillomavirus infections. J Clin Virol 32: S16-S24
The epidemiology of human papillomavirus infections. J Clin Virol 32S:S16-S24
Elongation factor Tu and E1 beta subunit of pyruvate dehydrogenase complex act as fibronectin binding proteins in Mycoplasma pneumon...
MOLECULAR INSIGHTS INTO PROSTATE CANCER PROGRESSION: THE MISSING LINK OF TUMOR MICROENVIRONMENT
Mycoplasmas: sophisticated, reemerging, and burdened by their notoriety.
ADP-ribosylating and vacuolating cytotoxin of Mycoplasma pneumoniae represents unique virulence determinant among bacterial pathogens
Molecular basis for cytadsorption of Mycoplasma pneumoniae.
Surface parasitism by Mycoplasma pneumoniae of respiratory epithelium.