性

xìng nature; character; property; quality; attribute; sexuality; sex; gender; suffix forming adjective from verb; suffix forming noun from adjective, corresponding to -ness or -ity; essence; CL:個|个[ge4]

药

yào medicine; drug; substance used for a specific purpose (e.g. poisoning, explosion, fermenting); CL:種|种[zhong3],服[fu4],味[wei4]; to poison

yào leaf of the iris; variant of 藥|药[yao4]

能

néng can; to be able to; might possibly; ability; (physics) energy

Néng surname Neng

维持

wéi chí to keep; to maintain; to preserve

多久

duō jiǔ how long?

有效

yǒu xiào effective; in effect; valid

【 罔

wǎng to deceive; there is none; old variant of 網|网[wang3]

wǎng old variant of 罔[wang3]

址

zhǐ location; site

：7x77cc】/