备 用 二 级 头 呼 吸 器

bèi yòng èr jí tóu hū xī qìdictionary entry

(scuba diving) backup regulator / octopus

Sources & editorial notes

Reference definitions: CC-CEDICT contributors and MDBG, CC BY-SA 4.0. Source release 2026-10-27T01:55:52Z. Imported 2026-10-27. Definition wording and meaning order are retained. Recognized pronunciation references are displayed with tone marks; the original source record is available below.

Source record: cd-52212d00e3a644b2. Source SHA-256: bbc4b27f26bee1a262f4d7939667a040c7857c7fc0200a2fa7a86d3352a09eae.

Original source entry:

備用二級頭呼吸器 备用二级头呼吸器 [bei4 yong4 er4 ji2 tou2 hu1 xi1 qi4] /(scuba diving) backup regulator; octopus/

Reference definitions and teaching material have separate provenance.

Reference information

The definitions above are from CC-CEDICT. Examples and usage notes are available on selected entries.

Character information

View the individual characters. Their meanings do not necessarily explain the meaning of the whole word.

Other forms in these source records: 備用二級頭呼吸器

备
bèi
(bound form) to prepare / to equip / (literary) fully / completely
用
yòng
to use / to make use of / to employ / (coverb) with / using / to need / to have to (usu. used in the negative or in questions) / usefulness / utility / (bound form) expense / outlay / (courteous) to eat / to drink / (literary) hence / therefore
二
èr
two / 2 / (Beijing dialect) stupid
级
jí
level / grade / rank / step (of stairs) / CL:個|个[gè] / classifier: step, level
头
tóu
head / hair style / the top / end / beginning or end / a stub / remnant / chief / boss / side / aspect / first / leading / classifier for pigs or livestock / CL:個|个[gè]
tou
suffix for nouns
呼
hū
to call / to cry / to shout / to breath out / to exhale / to call out
吸
xī
to breathe / to suck in / to absorb / to inhale
器
qì
device / tool / utensil / CL:臺|台[tái]

Reference definitions from CC-CEDICT.