Hubble's constant
na. 【天】哈勃常数\\n
🧩 词语组成解析
🗣️ 情景例句
There's no end to the paperwork I have on my desk.
我桌上的工作永远没个完。
Union is strength.
团结就是力量。
We enjoy staring at them, entranced as they go about their business, unaware (we hope) of our presence.
我们喜欢入迷地看它们做事，它们不知道（但愿如此）我们就在它们身边。