It takes a lot of practice to play the violin well.

I used to play the violin, very, very badly.

我曾经拉过小提琴，非常非常糟糕。

Learn to play the violin, my son.

学着拉拉小提琴吧，我的孩子。

A student is learning how to play the violin.

某学生学习小提琴。

He could play the violin when he was seven.

当他七岁时，就会拉小提琴。

Gaetano Donizetti: Concertino for oboe and string orchestra in F Major.

董尼才悌：F大调小协奏曲，为双簧管与弦乐团。

I play the violin in a nine-piece string orchestra.

我在九人弦乐队中担任小提琴手。

String orchestra by Tokyo Orchestra and some other interesting items.

东京管弦乐队的管弦乐合奏，还有一些其他的好节目。

A dance, string, symphony orchestra

舞蹈乐队、弦乐队、交响乐团

The string instruments in the orchestra are the violin, the viola, the cello, and the bass.

乐队里的弦乐乐器是小提琴、中提琴、大提琴和低音提琴。

The Role of Melusin/ Akt/ GSK3 β Pathway in Aortic Banding-and Gaq Overexpression-inducing Myocardiac Hypertrophy

Melusin/Akt/GSK3β途径在主动脉结扎及Gaq过度表达致心肌肥厚动物模型中的作用

Construction and identification of recombinant adenoviral vector carrying homeobox Gax gene

同源异形盒Gax基因重组腺病毒载体的构建及其鉴定

Simulation and Characteristic Study of Ammonia-Water Absorption GAX Cycle

GAX循环的模拟与特性研究

Immunohistochemistry experiment showed that Gax expressed mainly in pulmonary vessels. 2.

免疫组化显示Gax主要表达在肺血管。

Thermodynamic analysis of Gax cycle by α-h diagram

GAX循环的α-h图热力学分析

Computer simulation and development of a direct fired ammonia-water GAX heat pump

直燃型氨-水GAX吸收式热泵的计算机仿真及研制

GAX Technology of High-efficiency Absorption Heat Pump and Prospect for its Market

高效吸收式热泵的GAX技术及市场展望

Negative Regulation of Cells Proliferation by Gax Gene and Its Mechanisms

Gax基因对细胞增殖的负性调控及机制

Methods Three surgically confirmed GBA cases in our hospital were retrospected and GBA literature were reviewed.

方法通过兰州大学第一医院诊治的3例患者，证实GBA病例并结合文献进行分析。

CT features of GBA involvement by gastric carcinoma and their anatomic-pathological bases were analyzed.

观察胃癌侵犯GBA的CT表现特征，分析CT征象的解剖病理基础。

Objective To discuss clinical characteristics of gallbladder agenesis ( GBA).

目的探讨胆囊缺如（GBA）的临床特征。