Groaning
n. 呻吟；活塞在气缸内的不正常声；哼声
✅ 同义词
🗣️ 情景例句
Yes, indeed.
是的 ，原来如此。
I was so tired I couldn't keep up with her.
我太累了，跟不上她的步伐。
good-tempered elephant who will give many years of loyal service.
脾气温顺、能忠实为人服务多年的大象。