今日要点:
- PixJS引擎介绍
- 情态动词之比较can,could和be able to
PixJS v4
- The HTML5 Creation Engine
Create beautiful digital content with the fastest, most flexible 2D WebGL renderer.
to create sth with sth:用...创建...
digital content: 数字内容
Fast
PixiJS' strength is speed. When it comes to 2D rendering, PixiJS is the fastest there is.
strength: 优点，长处
when it comes to sth: 非常有用的一句句型，可以翻译为: 一说到...，要说...
the fastest: the+形容词:表示一类人或物，例如the rich富人，the impossible 不可能做到的事.....
Flexible
Friendly, feature-rich API lets PixiJS take care of the fundamentals whilst you focus on producing incredible multiplatform experiences.
friendly：友好地
feature-rich: 形容特色比较丰富的，功能强大的
to take care of: 照顾，体贴
the fundamentals[ˌfʌndə'mentlz]: 基础，基本原则
whilst:连词，与此同时
to focus on doing sth:专注于做某事
Free
PixiJS is and always will be Open Source, with a large and supportive community pushing its growth and evolution.
is and always will be: 现在以及未来都...
with a large and supportive community: 拥有一个庞大的，互助的社区
pushing its growth and evolution: 推动其成长与演变
PixJS网址
今日语法小知识:情态动词之:比较can,could和be able to
can/could 表示能力；可能 (过去时用could),
只用于现在式和过去式(could)。be able to可以用于各种时态。
They will be able to tell you the news soon. 他很快就能告诉你消息了。只用be able to
a. 位于助动词后。
b. 情态动词后。
c. 表示过去某时刻动作时。
d. 用于句首表示条件。
e. 表示成功地做了某事时，只能用was/were able to， 不能用could。
He was able to flee Europe before the war broke out.
= He managed to flee Europe before the war broke out.
could不表示时态时的用法:
提出委婉的请求，（注意在回答中不可用could）。
--- Could I have the television on?
--- Yes, you can. / No, you can't.在否定，疑问句中表示推测或怀疑。
He couldn't be a bad man.
他不大可能是坏人。
