Difference measurement
[计] 差分测量
🧩 词语组成解析
🗣️ 情景例句
Pubs and discos are good place to kill time.
酒吧和舞厅是消磨时间的好地方。
While (or Where) there is life there is hope.
留得青山在，不怕没柴烧。
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。