grum /^rʌm/ 📖 中文释义 a. 闷闷不乐的,阴郁的 📘 English Definition(英文释义) a. Morose; severe of countenance; sour; surly; glum; grim.a. Low; deep in the throat; guttural; rumbling; as, ← gruliow G 字母词表 grumbach →