| 科普 | kē pǔ | popular science; popularization of science; abbr. of 科學普及|科学普及 |
| 一下 | yī xià | (used after a verb) give it a go; to do (sth for a bit to give it a try); one time; once; in a while; all of a sudden; all at once |
| 威廉 | Wēi lián | William or Wilhelm (name) |
| 希尔 | Xī ěr | Hill (name); Christopher Hill, US undersecretary of state of East Asian affairs |
| 官 | guān | government official; governmental; official; public; organ of the body; CL:個|个[ge4] |
| Guān | surname Guan | |
| 网 | wǎng | net; network |
| 的 | de | of; ~'s (possessive particle); (used after an attribute); (used to form a nominal expression); (used at the end of a declarative sentence for emphasis) |
| dí | really and truly | |
| dì | aim; clear | |
| dī | see 的士[di1 shi4] | |
| 百科 | bǎi kē | universal; encyclopedic; abbr. for 百科全書|百科全书[bai3 ke1 quan2 shu1] |