Ringbolt
n. 带环螺栓
✅ 同义词
🗣️ 情景例句
Learning any language takes a lot of effort.
学习任何语言都需要花费很多努力。
Not necessarily.
不一定啦！
When I touched him on the shoulder, he turned around.
我拍他的肩膀，他转了过来。