全種類をひとつずつの英語

one kind of something

one by one

each of several objects

one by one

the single one of its kind

a single plan

each one of something

Item So-and-so.

every move of an action

of things or matters, one by one

includes a single species

A fault, a foible e'er adorns

Item. So-and-so. Item. So-and-so.

one at a time―one by one

an example

the complete written works of a person

one of a class of artifacts

an attribute that is common to all members of a category

the shape of only one object

one of the two

a quantity greater than zero and less than three

Each is good in its degree.

a whole range of kitchen utensils

only one

treating the whole of something as one thing

one of four equal parts

the only―the sole

one item

One of those

One of those