持续: 1.(延续) last; continue; sustain 短语和例子地震持续了大约两分钟。 the earthquake continued for about two minutes. 封锁可能要持续一段时间。 the blockade is likely to last for some time.2.(连续地) continued; sustained 短语和例子
风险: risk; hazard; danger 短语和例子风险很大 full of hazard; 冒风险 take risks; 不顾一切风险 at all hazards; 风险由货主负担 at owner's risk; 风险补偿收入 income to compensate for risk-taking