be present at

学习怎么用

双语例句

用作介词(prep.)
  1. Viruses may be present in tapwater.
    病毒可以存在于自来水中。
  2. Aerosols are present throughout the atmosphere.
    气溶胶存在于整个大气层。

权威例句

Advances and Prospects in Cancer Immunotherapy
High Capacity Reversible Watermarking for Audio by Histogram Shifting and Predicted Error Expansion
High Glucose Induces Sumoylation of Smad4 via SUMO2/3 in Mesangial Cells
A Comparative Study of Genetic and Firefly Algorithms for Sensor Placement in Structural Health Monitoring
FACT SHEET
2.1 The currently existing stacks
1 INTRODUCTION 1.1 Implementation of the wood into the construction
1.1 Motivation for the Causal Theory of Chance
Add Play To Your Work….. Summer 2008 New England Association for Play Therapy.
Survey of Ethylenediamines in China
同义词
b开头的单词
词汇所属分类
字母词汇表更多
j开头的单词
t开头的单词
u开头的单词
分类词汇表更多
服装行业
文学作品词汇书
医学英语词汇书
人名姓氏表更多
男/女
雅思预测