the Lesson Piece的用法和样例：
例句
- Demonstrate this content of this lesson with the courseware.
用课件演示本节课的教学内容。
the Lesson Piece的相关资料：
临近单词
the blank
the
The digestive/respiratory/urinary tract
the people's livelihood-oriented government
the momentum-space optical potential method
The Provisions Governing Reinsurance Business
The Intelligent Domestic Appliance Controller
The spacecraft re-entered the atmosphere.
The experiments produced equivocal results.
the national demonstration vocational college
The communication facilities are completed.
The precipitation particle spectra instrument
