Jetec
[电] 联合电子管工程会议
🗣️ 情景例句
The signs of the city never fail to impress the foreign tourists.
外国游客无一不对该城市留有深刻的印象。
I often go to the office in the morning.
我常常在早上去办公室。
Yes, good idea.
好主意呀。