Alternating
a. 交互的\\n[医] 交替的
✅ 同义词
🔴 反义词
🗣️ 情景例句
I'll come and give you a hand tomorrow.
我明天来帮你忙。
Wicked men obey from fear; good men, from love.
坏人服从出于怕，好人服从出于爱。
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。