해양 생물의 유해 등이 퇴적되어 형성된 부드럽고 하얀 탄산칼슘 성분의 석회암.
A soft, white, porous sedimentary carbonate rock, a form of limestone composed of the mineral calcite.
예문:
"The famous white cliffs are primarily composed of natural chalk."
"Geologists studied the layers of chalk to determine the age of the formation."
칠판에 글씨를 쓰거나 그림을 그릴 때 사용하는, 막대 모양으로 만든 흰색 또는 유색의 도구.
A substance prepared in sticks for writing or drawing on boards or other surfaces.
예문:
"The teacher requested a fresh box of colored chalk for the art lesson."
"Please wipe the board clean after you finish using the chalk."
당구, 암벽 등반, 역도 등에서 마찰력을 높이거나 습기를 제거하기 위해 손이나 장비에 바르는 가루 물질.
A powder used in various sports to prevent slipping and improve friction.
예문:
"The gymnast applied chalk to her hands to ensure a firm grip on the uneven bars."
"He forgot to put chalk on his cue, which caused him to miss the shot."
분필이나 초크로 글씨를 쓰거나, 그림을 그리거나, 표식을 남기다.
To write, draw, or mark something using chalk.
예문:
"The artist chalked a beautiful mural on the sidewalk."
"Waiters often chalk the daily specials on a small slate board."