Unprofitable
[ [ʌn'prɔfitəbl] ]
第5级
其它 Other
a. 无利益的, 不赚钱的, 不上算的\\n[法] 无利可图的, 无益的
✅ 同义词
🔴 反义词
🗣️ 情景例句
How's your son getting on with his English?
你儿子的英语学得好吗？
Do you have any plan for your career?
你对未来有什么计划吗？
but that was precisely the idea adopted in some of the early instruments (seismometers) for recording earthquake waves.
但是早期记录地震波的仪器（测震仪）正是采用了这种思路。