Sakmarian
[地质]萨克马尔阶
🗣️ 情景例句
Why is that?
为什么？
A little of every thing is nothing in the main.
每事浅尝辄止，事事都告无成。
Though Jimmy agreed to go at once, Jumbo refused to move.
虽然吉米同意马上就走，但江伯却拒绝移动。