n. a precautionary measure warding off impending danger or damage or injury etc.
n. the trait of practicing caution in advance
词态变化
复数形式:precautions
常见例句
1
a precaution in case of an emergency v
2
An officer who has authority to direct in the extinguishing of fires, or to order what precautions shall be taken against fires
3
protect v protect against a challenge or attack v take precautions in order to avoid some unwanted consequence
4
n a person who keeps watch over something or someone n the person who plays that position on a football team n a device designed to prevent injury or accidents n a posture of defence in boxing or fencing n the person who plays the position of guard on a basketball team n a military unit serving to protect some place or person n a precautionary measure warding off impending danger or damage or injury etc. n the duty of serving as a sentry n (American football) a position on the line of scrimmage n a position on a basketball team v to keep watch over v watch over or shield from danger or harm
5
taking a vaccine as a precaution against contracting a disease
