灌注

to pour into / perfusion (med.) / to concentrate one's attention on / to teach / to inculcate / to instill

to irrigate / to pour / to install (software) / to record (music)

to inject / to pour into / to concentrate / to pay attention / stake (gambling) / classifier for sums of money / variant of 註|注[zhu4]

to register / to annotate / note / comment

variant of 全神貫注|全神贯注[quan2 shen2 guan4 zhu4]