코스 상추; 로메인 상추
A variety of lettuce (romaine) with crisp, narrow leaves that form a tall head.
예문:
"We ordered a Caesar salad, which traditionally uses cos lettuce for its crunchy texture."
"The tall, crisp leaves of the cos are perfect for scooping up thick dips."
코사인; 삼각 함수
An abbreviation for cosine, a trigonometric function.
예문:
"In a right triangle, 'cos' is defined as the ratio of the adjacent side to the hypotenuse."
"We need to calculate the value of cos(theta) to solve this physics problem."
왜냐하면; ~때문에
A shortened, informal form of 'because'.
예문:
"I can't come to the party, cos I have to study for an exam tomorrow."
"She was late again, cos the bus broke down on the way."