could not 和couldn t的区别

2026-04-29

could not 和couldn't的区别为 could not 释义： 不能 例句： She could not move unassisted. 她不能够独力活动。 My euphoric mood could not last. 我兴奋的心情持久不了。 couldn't释义： v. 不能（等于could not） 例句： I couldn't trust him anymore. 我再不能相信他了。 词组： couldn't help禁不住；不得不...