深入

shēn rù to penetrate deeply; thorough

探究

tàn jiū to investigate; to delve; to probe; to enquire into; to look into

ipa 超级

chāo jí super-; ultra-; hyper-

签名

qiān míng to sign (one's name with a pen etc); to autograph; signature

电报

diàn bào telegram; cable; telegraph; CL:封[feng1],份[fen4]

搜

sōu to search

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