Subtriangular
近似三角形的
🗣️ 情景例句
I wonder if your plan'll work.
我对你计划的可行性表示怀疑。
I appreciate your invitation.
感谢你的邀请。
In 1898 a law was passed which meant that all people above a certain age were paid a weekly old-age pension.
1898年通过了一项法令，规定一定年龄以上的人全都可以按周领取"老年养老金。