ā xī luò wéi
aciclovir (also spelled acyclovir), antiviral drug
阿
ā
abbr. for country names that begin with 阿[a1]: Algeria 阿爾及利亞|阿尔及利亚[A1 er3 ji2 li4 ya4], Afghanistan 阿富汗[A1 fu4 han4] etc
昔
xī
former times
洛
luò
old name of several rivers (in Henan, Shaanxi, Sichuan and Anhui)
韦
wéi
soft leather