safeguards
名词 safeguard:
a precautionary measure warding off impending danger or damage or injury etc.
同义词:precaution, safeguard, guard
a document or escort providing safe passage through a region especially in time of war
同义词:safe-conduct, safeguard
动词 safeguard:
make safe
同义词:safeguard
escort safely
同义词:safeguard