Tu (ethnic group) / surname Tu
earth / dust / clay / local / indigenous / crude opium / unsophisticated / one of the eight categories of ancient musical instruments 八音[ba1 yin1]

= + : Tommy Turtle (tu) wants to fix a cross (十) on a flute (一) in the space station's living room (Ø3). He uses dust and clay (土) to hold them together.

土 character breakdown

one / single / a (article) / as soon as / entire; whole; all; throughout / "one" radical in Chinese characters (Kangxi radical 1) / also pr. [yao1] for greater clarity when spelling out numbers digit by digit

Maud Younger (y) forgot her keys to the space station (Ø1), all she brought outside was her flute (一). She has no choice but to crash the door with the giant flute.
ten / 10

= + : Mnemonic symbol: a holy cross. Sherlock Holmes (sh-) is investigating a very strange thing he found in the kitchen of the space station (-2): A big pyramid made of ten (十) crosses (十), which are in turn made out of flutes (一) and dinosaur bones (丨).

Characters with 土 as component

erroneous variant of 野[ye3]
old variant of 墩[dun1]
(dialect) earthen dyke in a river or rice paddy (for irrigation purposes)
level spot for sacrifices
a grave
goblet / bottle / wine-jar
variant of 罈|坛[tan2]
old variant of 壜[tan2]
building-plot
disappointed
dust / mud
column / cylinder
land on water edge or under wall

Words with 土

land / soil / territory / CL:片[pian4],塊|块[kuai4]
local god / genius loci
sliced bread (loanword from "toast") / government-appointed hereditary tribal headman in the Yuan, Ming and Qing dynasties
country bumpkin / boor / unsophisticated country person (humble, applied to oneself) / burial mound
native / aborigine / clay figure
Toulon (city in France)
Tu or White Mongol ethnic group of Qinghai
sun-dried mudbrick; adobe brick
sun-dried mudbrick / adobe brick

Sentences with 土

xiǎo
shén
shì
běn
yuán
tǔ
di
 
 
lái
zhè
r
cì
hòu
dà
shèng