retainableadj.可保持的(可记住的;可聘请的)
retainvt.保持;保留;记住;聘请
retain the memory of someone记得某人
retaining rate of the income收益留存率
retaining wall reinforcement挡墙加固
retaining for foundation pit基坑支护
retaining roadway along roaf沿空留巷
Retain sufficient temperature保持足够的温度
retain an appearance of youth看上去依旧年轻
retain one's interest in life保持着对人生的兴趣