1.
Electrons and protons are forms of ordinary matter, but positrons are antimatter particles.
电子和质子构成了普通物质，但正电子是反物质粒子。
2.
Scientists can abstract medicines from ordinary substances.
科学家们能够从普通物质中提炼出药来。
3.
Today there is general agreement that the nature of ordinary matter is "particulate".
现在大家已经普遍同意，普通物质的本性是“粒子性的”。
4.
Aristotle talks of "the corrupting power of matter" and now he means ordinary matter as it exists on earth.
亚里士多德谈到“物质的腐蚀能力”就是指地球上的普通物质。
5.
The most plausible explanation is that the cluster contains a distinct ring of dark matter without any accompanying ordinary matter.
最可信的解释是星团包含一圈无任何普通物质相伴的暗物质。
6.
Evaluation of General Physics Examinations;
高职高专《普通物理学》考试质量评价
7.
The ordinary high school physics course standard have put forward requirement to physics teachers quality;
普通高中物理课程标准下物理教师素质要求
8.
Laboratory Physics
普通物理实验（B）
9.
B. TOXIC SUBSTANCES UNDER THE GENERAL POLLUTION STATUTES
第二节 普通污染法令中的有毒物质管理
10.
Research on Sharing of Material Resources in Colleges and Community Sports;
普通高校体育与社区体育物质资源共享的研究
11.
General Physics Experiment Teaching Pattern Viewed From Quality Education;
师专普通物理实验教学的素质教育模式初探
12.
factual Book
科普读物,通俗读物
13.
An element is a substance, the nature of which cannot be changed by any ordinary method of division .
一个元素是一种物质,它的性质不能由任何普通的分解方法而改变。
14.
B: Regular or high-test?
乙：普通油还是高质油?
15.
Air is the common medium of sound.
空气是声音的普通介质。
16.
A soft, black to dark gray mineral, MnO2, the commonest and most important secondary ore of manganese.
软锰矿一种软的，黑色至灰黑色的矿物质，MnO2，是最普通最重要的锰矿
17.
Thiophene, a highly common substance, serves as a versatile precursor to a variety of amino acids.
噻吩是一种很普通的物质，它可以作为合成各种氨基酸的母体。
18.
Materially, he is robbing the common people even of their food and clothing, making them cry out in hunger and cold;
在物质上，掠夺普通人民的衣食，使广大人民啼饥号寒；