Safety cock
[化] 安全栓
🧩 词语组成解析
cock
[kɔk]
n. 公鸡;成熟雄鸟;首领，领导;龙头;
vt. 使某物竖起;使某物倾斜;使朝上;扳上扳机;
vi. 翘起，竖起;大摇大摆;
🗣️ 情景例句
Eight o'clock.
八点钟。
Opportunity seldom knocks twice.
机不可失，失不再来。
Quick, turn the gas off. Cover the pan. Be careful!
快，把煤气关上。盖上锅。小心！