noun🔗Share山谷， 洼地 A small valley between mountains."He built himself a cabin in a hollow high up in the Rockies."他自己在落基山脉高处的一个山谷里建了个小木屋。geographyareaplaceChat with AIVocabulary GamePractice Reading
noun🔗Share空洞，窟窿 A sunken area or unfilled space in something solid; a cavity, natural or artificial."the hollow of the hand or of a tree"手掌的凹陷处或树的空洞。areageologyspacenaturestructureChat with AIVocabulary GamePractice Reading
noun🔗Share凹陷, 坑. A sunken area."The hollow in the park's grassy hill was a perfect spot for children to play hide-and-seek. "公园草坡上的那个凹陷处，是孩子们玩捉迷藏的绝佳地点。areageographyChat with AIVocabulary GamePractice Reading
noun🔗Share空虚感, 空洞感 A feeling of emptiness."The hollow feeling in my stomach made it hard to concentrate on my math test. "我胃里那种空虚感让我很难集中精神做数学考试。mindsensationChat with AIVocabulary GamePractice Reading
verb🔗Share挖空，掏空 To make a hole in something; to excavate"The construction workers hollowed out the large rock to create space for the new foundation. "建筑工人们挖空了那块大石头，以便为新的地基腾出空间。materialactionChat with AIVocabulary GamePractice Reading
adjective🔗Share空心的，中空的。 (of something solid) Having an empty space or cavity inside."a hollow tree; a hollow sphere"空心的树；空心的球体materialphysicsstructurespaceChat with AIVocabulary GamePractice Reading
adjective🔗Share空洞，空旷，虚无。 (of a sound) Distant, eerie; echoing, reverberating, as if in a hollow space; dull, muffled; often low-pitched."He let out a hollow moan."他发出一声空洞而低沉的呻吟。soundsensationphysicsspaceChat with AIVocabulary GamePractice Reading
adjective🔗Share空洞，空虚 Without substance; having no real or significant worth; meaningless."a hollow victory"一场空洞的胜利charactervalueattitudephilosophymindbeingChat with AIVocabulary GamePractice Reading
adjective🔗Share空洞，虚伪。 Insincere, devoid of validity; specious."a hollow promise"一个空洞的承诺 (Yīgè kōngdòng de chéngnuò)charactermoralChat with AIVocabulary GamePractice Reading
adjective🔗Share凹陷的，空洞的. Concave; gaunt; sunken."The old woman's cheeks were hollow from a long illness. "老妇人因为久病，脸颊都凹陷下去了。appearancebodyChat with AIVocabulary GamePractice Reading
adjective🔗Share空的，中空的。 Pertaining to hollow body position"The gymnast performed a hollow back handspring, demonstrating perfect body position. "体操运动员做了一个空翻后手翻，展示了完美的空心背部姿势。bodypositionanatomyChat with AIVocabulary GamePractice Reading
adverb🔗Share完全，徹底。 Completely, as part of the phrase beat hollow or beat all hollow."The student's explanation of the physics problem beat the teacher's explanation hollow. "这个学生对物理问题的解释，完全把老师的解释比下去了。phraselanguageChat with AIVocabulary GamePractice Reading
interjection🔗Share喂，哈啰 Hey, hello""Hollow! I'm ready for lunch." "喂，哈啰！我准备好午饭了。communicationlanguageexclamationChat with AIVocabulary GamePractice Reading
verb🔗Share喊叫，呼喊。 To call or urge by shouting; to hollo."The teacher hollowed for the students to be quiet during the test. "考试的时候，老师大声喊，让学生们安静下来。soundcommunicationlanguageChat with AIVocabulary GamePractice Reading
