交通立体化

grade separation (civil engineering)

to hand over / to deliver / to pay (money) / to turn over / to make friends / to intersect (lines) / variant of 跤[jiao1]

to be connected / traffic / transportation / communications / liaison

to go through / to know well / (suffix) expert / to connect / to communicate / open / to clear / classifier for letters, telegrams, phone calls etc

classifier for an activity, taken in its entirety (tirade of abuse, stint of music playing, bout of drinking etc)

to stand / to set up / to establish / to lay down / to draw up / at once / immediately

three-dimensional / solid / stereoscopic

body / form / style / system / substance / to experience / aspect (linguistics)

variant of 花[hua1]

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