efficient
(of a system or machine) achieving maximum productivity without wasting much time, effort, or money

高效的, 有效的

[形容词]
electronic
(of a device) having very small parts such as chips and obtaining power from electricity

电子的, 电的

[形容词]
upset
feeling unhappy, worried, or disappointed, often because something unpleasant happened

烦恼的, 不高兴的

[形容词]

下载LanGeek应用程序