阿伏伽德罗常数

ā fú jiā dé luó cháng shù

Avogadro's number (chemistry)

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

to lean over

jiā

traditionally used as phonetic for "ga"

variant of 德[de2]

luó

gauze

cháng

always

shù

number; figure