Knock indicator
[化] 爆震器
🧩 词语组成解析
knock
[nɑk]
n. 短促的敲打（声）;爆震声;敲击声;敲门（或窗等）声;
vi. 猛烈敲击;与某物相撞;撞到了桌子;
vt. （心）怦怦跳;把…撞击成（某种状态）;批评;
indicator
['ɪndɪketɚ]
n. 指示器;[化]指示剂;指示者;
🗣️ 情景例句
No,
记不起来了。
Wine in the bottle does not quench thirst.
瓶中之酒不解渴。
Looking into the drawing room, she saw a scene of confusion over by her writing desk.
她往起居室里看去，写字台边一片狼籍。