空心菜 ? Water spinach 高清电影 ? High-definition film 这个改变真的很令人惊讶，最后希望小学能越来越好。小朋友们也可以尽情学习！
双语例句
1
In theory, that would allow a high-definitionfilm to be downloaded in 30 seconds.
理论上，这个速度意味着不到30秒就能下载一部高清电影。
2
With 5G, a copy of a high-definitionfilm could zip to your mobile phone within one second. It would thus offer customers better online experience.
一部高清电影可以一秒内压缩到你的手机上，会给用户带来更好的上网体验。
3
Until last year the company had championed the rival HD DVD camp in the "format wars" against Sony's Blu-ray standard for control of the high-definitionfilm-disc business.