音标：['heptil] ；

[建] 庚基

n. A compound radical, C7H15, regarded as the essential
radical of heptane and a related series of compounds.

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学英语单词

aero tire

alar(check)ligaments

analytical triangle

antithetic transforms

asplenium capillipes mak.

automatic lexical coding

basic cover

boolean cube

bromasalizol bromsaligenin

bytyrum

calibrated air speed