Operating knob
[机] 操作钮
🧩 词语组成解析
operating
[['ɔpəreitiŋ]]
a. 操作的, 工作的, 营业上的, 业务的, 关于收支的, 关于损益的, 外科手术的\\n[机] 运转费用
knob
[nɑb]
n. 球形把手;（收音机等的）旋钮;小块;疙瘩;
v. 鼓起;使有球形突出物;给（门等）装球形把手;
🗣️ 情景例句
Who are you rooming with?
你和谁同屋？
What do you do for relaxation?
你做什么消遣？
Accurate, don't you think? Fortunately, I wasn't wearing it at the time.
真够准的，是不是？幸亏我当时没戴帽子。