検索内容:
a punctuation mark
Using punctuation marks correctly is important for understanding sentences.
solid, especially food
What is this solid made of?
sediment, deposit
There are sediments at the bottom of this lake that have accumulated over centuries.
neither fish nor fowl, up in the air
His art style is unique, it's neither fish nor fowl.
underground nuclear test
It is reported that North Korea has conducted another underground nuclear test.
experimental psychology
He is an expert in experimental psychology.
experimental study
He is spending a lot of time on experimental research.
penny wise and pound foolish; you get what you pay for
He always buys cheap things, so in the end, it becomes 'penny wise and pound foolish'.
(chemistry) acidic oxide
Acidic oxides react with water to produce acids.
(chemistry) amphoteric oxide
Aluminum is an amphoteric oxide, it reacts with both acids and bases.
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