Actinost
[动]鳍条基骨
🗣️ 情景例句
I never slept.
我总睡不着。
This product is doing very well in foreign countries.
这种产品在国外很畅销。
Next Annie took me by the hand and taught me how to jump.
接着，她又拉着我的手，教我如何跳。