Keyless ringing
[电] 无键振铃
🧩 词语组成解析
a. 无键的, 不用钥匙上发条的
a. 响亮的, 明白的, 清脆的, 干脆的\\n[电] 振铃
🗣️ 情景例句
His family is a nuclear family with three generations living together under one roof.
他的家庭是三代同堂住在同一屋檐下。
The postman always comes at 2 o'clock.
邮递员总是在2点钟来。
he could no get his arm out.
他的胳膊反倒退不出来了。