Aidant
a. 帮助的, 有助益的
✅ 同义词
🗣️ 情景例句
There's another advanced class today at four o'clock.
今天下午四点钟还有一次高级班。
How many passengers were on the train?
在火车上有多少旅客？
I like having a twin sister.
我喜欢有一个孪生姐姐。