| 深入 | shēn rù | to penetrate deeply; thorough |
| 探究 | tàn jiū | to investigate; to delve; to probe; to enquire into; to look into |
| 在线 | zài xiàn | online |
| 打包 | dǎ bāo | to wrap; to pack; to put leftovers in a doggy bag for take-out |
| 电报 | diàn bào | telegram; cable; telegraph; CL:封[feng1],份[fen4] |
| 搜 | sōu | to search |