Actinost
[动]鳍条基骨
🗣️ 情景例句
So, it's virtually risk-free for you.
所以，事实上对您而言，是完全没有风险的。
If you buy that home,will you spend the rest of your life there?
如果你买那住宅，你将在这里过余下的日子吗？
This greatly reduced the speed of the ship,
这样一来，大大降低了船的航速。