Evatron
自动控制用热离子变阻器
🗣️ 情景例句
He studied harder to improve his English.
他更加努力提高英语水平。
This river is one third as long as that river.
这条河只有那条河的三分之一长。
It is good to learn to work with others in a team.
学会在一个集体里与其他人一道工作是有益的。