🧩 词语组成解析
n. 实验用电子控制自动转换
🗣️ 情景例句
Is this harmful to kids?
这对孩子有害吗?
How long will it take to have this radio fixed?
修理这收音机要多久?
'We're going back now,' said the conductor.
“我们现在要返回去,”售票员说。