운동이나 근육 단련을 위해 양쪽 끝에 무게추가 달린 짧은 막대 형태의 기구.
A short bar with a weight at each end, used typically in pairs for exercise or muscle-building.
예문:
"She started her workout by doing lateral raises with a pair of dumbbells."
"Adjustable dumbbells are a space-saving solution for home gyms."
지능이 낮거나 어리석다고 여겨지는 사람을 비격식적으로 이르는 말.
An informal term for a person who is considered stupid or slow-witted.
예문:
"Don't be such a dumbbell; the answer is right in front of you."
"He felt like a total dumbbell after realizing he had been wearing his shirt inside out."
양쪽 끝은 둥글고 가운데는 좁은 아령과 유사한 형태.
Having a shape characterized by two rounded ends connected by a narrower middle part.
예문:
"The p-orbital of an atom has a distinct dumbbell shape."
"Certain bacteria exhibit a dumbbell morphology during the process of cell division."