1. 学习,向......学习：learn by heart 记住,背诵 | learn from 学习,向...学习 | leave alone 不管,不理会;不打扰

2. 向......学习：15. adapt to 适应 | 16. learn from 向......学习 | 17. first of all 首先;最重要的是

3. 向......学习;学习：10.learn from...向......学习;学习....... | ①Comrade Mao Zedong called on us to learn from comrade Li Feng.毛泽东同志号召我们... | ②He is a model worker whom we should all learn from.他是个模范工人,我们...

4. 从/向......学习：learn a new safety rule 学会一条安全准则 | learn from 从/向......学习 | learn...by heart 记熟,背下来