Previsional
a. 有先见之明的
✅ 同义词
🗣️ 情景例句
We can write letters. It's cheaper than calling.
我们可以写信就好，那比打电话便宜。
I will have done it by the time you come back.
在你回来之前，我会做完它。[将来完成时，表示将完成…，会做完…]
Whether a planet can support life depends on the size and brightness of its star, that is its 'sun'.
一颗行星是否能够维持生命取决于它的恒星——即它的“太阳”——的大小和亮度。