呢d字可加s ?

genome
tissue
material
可加s


genome
[countable] technical

HB all the genes in one cell of living thing:
the human genome


tissue

1 [countable] a piece of soft thin paper, used especially for blowing your nose on:
a box of tissues

2 [uncountable] also tissue paperD light thin paper used for wrapping, packing etc

3[ uncountable] HB the material forming animal or plant cells
lung/brain etc tissue

4 a tissue of liesBritish English a story or account that is completely untrue





material
1 [uncountable and countable] TIMD cloth used for making clothes, curtains etc [= fabric]:
curtain material
scraps of material
a cape made of a soft material

2 [uncountable and countable] TI a solid substance such as wood, plastic, or metal:
materials like wood or stone
organic/plant material
Animals depend on plant material for food.
harmful radioactive material
a paper company which imports raw materials (=substances which have not been treated) from North America.
recycled material

3 [uncountable] also materials [plural]T the things that are used for making or doing something
reading/writing etc material(s)
Videos often make good teaching material.
a supply of building materials
artists' materials

4 [uncountable] information or ideas used in books, films etc:
His act contains a lot of new material.
material for
Anita is collecting material for a novel.
the raw material (=information that has not been carefully examined) for an article

5 officer/executive etc materialsomeone who is good enough for a particular job or position:
He's a good soldier, but not really officer material.