maintaining
BNC频率: 41472
中文翻译
[化] 维护; 保养
英文解释
v keep in a certain state, position, or activity; e.g., "keep clean"
v keep in safety and protect from harm, decay, loss, or destruction
v supply with necessities and support
v state categorically
v have and exercise
v maintain for use and service
v maintain by writing regular records
v state or assert
v support against an opponent
v stick to correctly or closely
词态变化
原型:maintain
变形:i