River sand
[机] 河砂
🧩 词语组成解析
river
['rivə]
n. 河，江;溪，巨流;
sand
[sænd]
n. 沙;沙滩;沙色;
vt. 撒沙于;用砂纸磨光;
🗣️ 情景例句
It's not just the job.
不只是那项工作而已。
What is learned in the cradle lasts till the grave.
婴孩时期学到的东西，老死不会忘记。
Only the Earth provides ideal conditions, and even here it has taken more than four billion years for plant and animal life to evolve.
只有地球提供理想的条件，而即使在这里，植物和动物的进化也用了40亿年的时间。