Knock (intensity) indicator
[化] 爆震器; 爆震强度指示器
🧩 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
That's five points.
五分。
We've got to get a telepnone stand for the hallway.
我们必须有一部电话放在走廊。
After working hard during the day I like to relax in the evening.
白天干了一天，晚上我要放松一下。