HSK 4 · noun · conjunction · Practice
同时
at the same time; simultaneously; moreover
学习的同时要注意休息。
Xuéxí de tóngshí yào zhùyì xiūxi.
While studying, remember to rest as well.
学校的运动场地很大，可以同时打两场球。
Xuéxiào de yùndòng chǎngdì hěn dà, kěyǐ tóngshí dǎ liǎng chǎng qiú.
The school's sports ground is big enough for two games at the same time.