Vocabulary Cards
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B2 noun
irrigation
灌溉
Meaning
The artificial application of water to land or soil.
Example
Irrigation systems improve crop yields in dry regions.
C1 adjective
irritable
Meaning
easily annoyed or made angry
Example
She became irritable after working long hours without rest.
C2 noun
irritancy
恼怒
Meaning
the quality or state of causing irritation; legal or formal invalidation
Example
The constant noise became an irritancy to the neighbors.
C1 noun
irritant
刺激物
Meaning
something that causes irritation or discomfort
Example
Dust is a common irritant for people with allergies.
B2 verb
irritate
刺激
Meaning
To make someone annoyed or angry; to cause discomfort or inflammation.
Example
Rubbing your eyes can irritate them.
B2 adjective
irritated
恼火的
Meaning
feeling annoyed or impatient; having inflamed or sore physical condition
Example
She felt irritated by the constant noise outside her window.
B1 adjective
irritating
烦人的
Meaning
causing annoyance, impatience, or mild anger
Example
The constant noise from the street is extremely irritating.
C2 noun
Irruption
突然的暴力入侵; 入侵或突袭; 突如其来的爆发或喷发
Meaning
a sudden violent entry; an invasion or raid; a sudden outburst or eruption
Example
The army's irruption into enemy territory caught the opposing forces completely off guard.
B2 noun
islam
伊斯兰教
Meaning
the religion founded by the Prophet Muhammad, based on belief in one God (Allah)
Example
Islam emphasizes peace, justice, and compassion.
B2 adjective
islamic
伊斯兰的
Meaning
relating to Islam, its followers, or its teachings
Example
The city has many Islamic cultural centers.
A2 noun
Island
岛屿
Meaning
a piece of land completely surrounded by water
Example
We visited a beautiful island during our vacation.
C1 noun
isle
小岛
Meaning
A small island or peninsula, often poetic or literary.
Example
They spent their honeymoon on a beautiful tropical isle.
C2 noun
islet
小岛
Meaning
A very small island.
Example
The fishermen rested on a tiny islet before continuing their journey.
C2 noun
isobar
等压线
Meaning
A line on a weather map connecting points of equal atmospheric pressure.
Example
The meteorologist explained how isobars indicate wind speed and direction.
C2 adjective
isochronous
等时间间隔发生
Meaning
Occurring at equal time intervals; in unison or synchrony.
Example
The pendulum swings are isochronous, repeating at equal intervals.
B2 verb
isolate
孤立
Meaning
To separate something or someone from others.
Example
Doctors tried to isolate the patient to prevent the spread of infection.
B2 adjective
isolated
孤立
Meaning
Alone or separated from others; having little or no contact with other people.
Example
Technological advancements often leave people isolated.
B2 noun
Isolation
隔离
Meaning
the process or fact of isolating or being isolated; separation from other people or things
Example
The patient was kept in isolation to prevent the spread of the infectious disease.
C2 adjective
isothermal
等温
Meaning
Having or maintaining equal or constant temperature.
Example
The experiment was conducted under isothermal conditions.
C1 noun
isotope
同位素
Meaning
Atoms of the same element with equal number of protons but different numbers of neutrons.
Example
Carbon-14 is a radioactive isotope used in dating fossils.
B2 adjective, noun
israeli
以色列的
Meaning
relating to Israel or its people; a person from Israel
Example
She works for an Israeli company.
A2 noun, verb
issue
问题, 出版, 分发
Meaning
A problem, topic, or the act of supplying or distributing something.
Example
The magazine will issue a new edition next week.
A2 noun
issues
问题
Meaning
Important topics or problems for debate or discussion.
Example
Health issues from pollution are increasing.
C2 noun
isthmus
地峡
Meaning
A narrow strip of land connecting two larger land areas, often with water on either side.
Example
The Panama Canal cuts through the Isthmus of Panama.