Groundlessness
n. groundless的变形
✅ 同义词
🗣️ 情景例句
And then branched out into other sports products.
然后逐渐扩展出其他的运动产品。
Here's my credit card, just bill me.
这是信用卡，请记账吧。
many of them serious and senior scientists---- who dream of sending people to it.
其中的不少人是认真和资深的科学家，他们一直梦想着把人送上火星。