B. g.
[医] 颊龈的
🧩 词语组成解析
[医] 克, 龈的, 分生孢子的; 牛顿氏引力常数
🗣️ 情景例句
Paper or plastic?
现金还是信用卡？
Don't count your chicken before they are hatched.
不要过早乐观。
Everyone knows that if he shouts in the vicinity of a wall or a mountainside, an echo will come back.
大家都知道，在墙壁或山腰附近发出的喊声，就会听到回声。