n. 生计, 维持, 保持 vt. 保持, 保存, 遵守, 看守, 整理, 维持, 履行, 经营, 拘留, 记帐 vi. 保持, 继续不断
One researcher believes that exercise may keep the brain well supplied with blood.
四级 · CET-4 2026年6月 第2套
Travelling around helps to keep digital nomads inspired.
六级 · CET-6 2026年6月 第1套
The convenience of communication —— when they need a ride home from school after practice, for instance —— often feels like it isn't worth the battle to keep their screen time low and productive, and continue to encourage "real-life" activities outside and with friends and family.
六级 · CET-6 2026年6月 第2套
Women tend to prefer more physical distance from strangers or acquaintances and older adults also generally tend to prefer to keep more distance between themselves and others.
六级 · CET-6 2026年6月 第3套
The current system keeps a lid on the economic talents of people like Agok and his students.
六级 · CET-6 2026年6月 第3套