单

dān

single, individual, only; lone

HSK 3 8 丶

端

duān

end, extreme; head; beginning

HSK 6 14 丶

孢

bāo

spore

8 丶

霉

méi

mildew, mold, rot

HSK 5 15 丶

烯

xī

alkene

11 丶

类

lèi

category, class, group, kind; similar to; to resemble

HSK 5 9 丶

毒

dú

poison, venom; drug, narcotic

HSK 5 9 丶

素

sù

plain; white; vegetarian; formerly; normally

HSK 5 10 丶

中

zhōng

central; center, middle; amidst; to hit (target), to attain; China; Chinese

HSK 1 4 丶

毒

dú

poison, venom; drug, narcotic

HSK 5 9 丶

症

zhèng

ailment, disease, illness

HSK 6 10 丶