Umbraculum
伞螺属
🗣️ 情景例句
The first word sounds like no.
第一个字音像 no 。
The surest way to be happy is to be busy.
要快乐，最可靠的办法是忙碌。
A radio message from the mainland had been received by the ship's captain instructing him to give up the search.
返航前，该船船长收到了大陆发来的电报，指示他们放弃这次搜寻。