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 · Part III 第42题
Travelling around helps to keep digital nomads inspired.
六级 · CET-6 2026年6月 第1套 · Part III 第42题
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 · Part III 第51–55题
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 · Part III 第30题
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 · Part III 第51–55题