verb🔗Share扩大，扩张，伸展。 To change (something) from a smaller form and/or size to a larger one; to spread out or lay open."You can expand this compact umbrella to cover a large table."你可以把这把折叠伞撑开，扩大到足够遮盖一张大桌子。areamassphysicsbusinesseconomyChat with AIVocabulary GamePractice Reading
verb🔗Share扩大，扩张，扩展。 To increase the extent, number, volume or scope of (something)."A flower expands its leaves."一朵花舒展开它的叶子。amountbusinesseconomynumberChat with AIVocabulary GamePractice Reading
verb🔗Share详细阐述， 详述. To express (something) at length and/or in detail."The teacher expands on the topic of photosynthesis during the lesson, explaining each step in detail. "课堂上，老师详细阐述了光合作用这个话题，详细解释了每个步骤。languagecommunicationwritingChat with AIVocabulary GamePractice Reading
verb🔗Share展开, 扩张 To rewrite (an expression) as a longer, yet equivalent sum of terms."Use the binomial theorem to expand {(x+1)}^4."使用二项式定理来展开{(x+1)}^4。mathtechnicalChat with AIVocabulary GamePractice Reading
verb🔗Share展开，扩展。 (of an expression) To become, by rewriting, a longer, yet equivalent sum of terms."The expression {(x+1)}^4 expands to x^4 + 4x^3 + 6x^2 + 4x + 1."表达式{(x+1)}^4展开后等于x^4 + 4x^3 + 6x^2 + 4x + 1。mathlanguagecomputingChat with AIVocabulary GamePractice Reading
verb🔗Share扩大，扩充 To multiply both the numerator and the denominator of a fraction by the same natural number yielding a fraction of equal value"To find an equivalent fraction, the student expands 1/2 by multiplying both the numerator and denominator by 3, resulting in 3/6. "为了找到一个等值分数，学生通过将1/2的分子和分母同时扩大3倍，得到了3/6。mathChat with AIVocabulary GamePractice Reading
verb🔗Share扩大，扩张，扩展 To change from a smaller form/size to a larger one."Many materials expand when heated."许多材料受热时会膨胀。areaphysicsChat with AIVocabulary GamePractice Reading
verb🔗Share扩大，扩张 To increase in extent, number, volume or scope."The bakery expands its selection of pastries every month. "这家面包店每个月都会扩大糕点的种类。amountbusinesseconomyChat with AIVocabulary GamePractice Reading
verb🔗Share详细阐述, 扩展. To speak or write at length or in detail."He expanded on his plans for the business."他详细阐述了他的商业计划。languagecommunicationwritingChat with AIVocabulary GamePractice Reading
verb🔗Share变得慷慨，心胸开阔。 To feel generous or optimistic."After helping her neighbor with groceries, Maria's heart expands with warmth and happiness. "帮邻居提完东西后，玛丽亚感到内心充满温暖和快乐，变得非常慷慨和心胸开阔。mindattitudeemotionChat with AIVocabulary GamePractice Reading
