深入

shēn rù to penetrate deeply; thorough

探究

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

heimaapp 超级

chāo jí super-; ultra-; hyper-

签

qiān inscribed bamboo stick (used in divination, gambling, drawing lots etc); small wood sliver; label; tag

qiān Japanese variant of 籤|签[qian1]

qiān to sign one's name; visa; variant of 籤|签[qian1]

折扣

zhé kòu discount

TG:@Qweapp1aex