free web-base email provider全球最大
free-base porphyrins自由基卟啉分子
free-base porphin吓吩
CAMPYLOBACTER BLOOD-FREE SELECTIVE AGAR BASE弯曲杆菌选择性琼脂
dry and ash-free base cartridge干燥无灰基弹筒
Yanliang Pollution-Free Production Base阎良无公害蔬菜基地
silver-free copper base solder无银铜基钎料
O-PHENYLENEDIAMINE FREE BASE邻苯二胺
P-PHENYLENEDIAMINE FREE BASE对苯二胺
L-lobeline free base洛贝林
N（名词） cocaine that has been refined by heating it in ether or some other solvent (在乙醚或其它溶剂中加热过的)精炼可卡因 [slang]
V（动词） to refine (cocaine) in this way 用乙醚等加热精炼(可卡因)