Be to
准备,将要,预订;应该,必须,能够
🧩 词语组成解析
be
[bi]
v. 是;有，存在;做，成为;发生;
aux. 用来表示某人或某物即主语本身，用来表示某人或某物属于某一群体或有某种性质;
to
[tu,tə]
prep. 向，朝着;到;关于;属于;
adv. 朝一个方向的;到某种状态;关闭;
🗣️ 情景例句
Sometimes, by buying something cheap now, you will be costing yourself more in the long run.
有时候你花了很少钱买了便宜货，但它日后可能要花掉更多的钱。
Hey, you forgot about me! Don't leave me here!
喂，你把我给忘记了！别把我对丢在这里！
Two great towers support four huge cables.
两座巨塔支撑着4根粗大的钢缆。