[ kә:v ]
n. 曲线, 弯曲, 曲线球
vt. 弯, 使弯曲
vi. 成曲形
n. the trace of a point whose direction of motion changes
n. a line on a graph representing data
n. a pitch of a baseball that is thrown with spin so that its path curves as it approaches the batter
英汉双解字典由 ECDICT 提供