li
li — noun
1. a plastic or rubber bed filled with air, used for sleeping outdoors or floating
a plastic or rubber bed filled with air, used for sleeping outdoors or floating on water. Originally a brand name, it is now used as a general term.
Samir inflated the Li and placed it on the grass for the afternoon picnic.
inflated the Li (verb + object)
Hana's Li slowly drifted across the swimming pool as she lay on it.
A small leak in the Li meant Boris had to pump it again each morning.
The children took turns bouncing on the Li while their parents watched from the shore.
Deepa borrowed a Li from her neighbour for the weekend trip to the beach.
- air mattress
the most common neutral term worldwide
- lilo
another brand name used as a generic term in British English
- air bed
common synonym, especially for mattresses used indoors on the floor
- float
a smaller inflatable device used on water rather than for sleeping
用法筆記
Originally a brand name, it is now used as a general term for inflatable mattresses, especially in British English. More common in UK and Commonwealth countries than in American English.
常見錯誤
li — symbol
1. the written symbol for the chemical element lithium, a light silver-white metal
the written symbol for the chemical element lithium, a light silver-white metal that is the lightest solid element
On the periodic table, Li is the symbol for the element lithium.
Li is the symbol for [element] (defining pattern)
The teacher asked the class to find Li on the chart of elements.
Batteries marked with Li contain lithium and are much lighter than older types.
The chemistry lab stored Li samples in sealed containers for safety.
Students learn that Li stands for one of the lightest solid metals.
用法筆記
Always capitalised with a capital L in scientific writing. Found on periodic tables, product labels for batteries, and chemical formulas. Not used as a standalone word — it is a symbol that represents the element.