使硬化

harden

to make / to cause / to enable / to use / to employ / to send / to instruct sb to do sth / envoy / messenger

hard / stiff / strong / firm / resolutely / doggedly / good (quality) / able (person) / (of food) filling / substantial

to harden / hardening / sclerosis / fig. to become rigid or inflexible in opinions / to ossify

to harden / (medicine) sclerosis / (fig.) to become inflexible in one's opinions; to ossify

variant of 花[hua1]

to make into / to change into / -ization / to ... -ize / to transform / abbr. for 化學|化学[hua4 xue2]