Pyroceramic
玻璃結(jié)晶材料
??? 情景例句
Robots can be used for many tasks which are considered too dangerous for people to do.
機(jī)器人能完成許多對(duì)人類來說是很危險(xiǎn)的任務(wù)。
He plays violin just for enjoyment.
他拉小提琴只是為了自?shī)首詷贰?/div>
One day, the man downstairs went to talk to the man. He went upstairs and knocked the door.
一天，樓下人去找樓上人談?wù)劇?他上樓敲門。