词汇：
unprecedented
adj.
空前的；无前例的
学术文章原文例句：
1.
The efficiency and simplicity of CRISPR technology
present
unprecedented
power
in gene knockout (KO) and functional genomic studies
2. DNA sequencing has
created
an
unprecedented
wealth
of biological information
3. From this perspective, synthetic biology is the engineering of partially understood complex systems. This
is
an exciting and
unprecedented
challenge
that requires multidisciplinary effort
4. The method
achieved
unprecedented
near-atomic accuracy in predicting ligand-bound GPCR conformations in a blinded fashion.
advance in
进步；改进
1.
We attribute this ability to the high quality of the data obtained from this experimental setup, to
advances in
data processing methods, and in part to the five-fold noncrystallo- graphic symmetry.
2.
With dramatic
advances in
parallelization,
3.
Recent
advances in
cryo-EM
have led to a dramatic expansion in the number of structures that can be studied at high resolution
4.
Our high-resolution microscopic methods, gnotobiotic and humanized mouse models, and genetically modified microbes, combined with
advances in
complementary technologies such as imaging mass-spectrometry to determine localization of metabolites
feasible
Traditional mutliplexed PCR is generally not
feasible
for this purpose
标
点符号
空格问题：中文几乎从不需要使用空格，但英文中
标点符号和下一个单词之间需要有一个空格
，看似很简单的规则，但很多人的英文文章因为没有空格，写出来让人看着觉得憋得慌。
逗号问题：
两个独立的句子之间不能用逗号，要么用句号，要么用分号
。有些人写东西很随意，逗号一路打到底，不知道段落到底是什么结构。
书名号问题：
英文中没有书名号
！不要笑，就是有人会在
