Cccdna
[化] 共价闭环DNA
🗣️ 情景例句
I'll have a contract
我会准备好一张合同
I'd like to reserve a seat to new york.
我要预订一个座位去纽约。
As long as all was still, the pen drew a straight line,
只要一切都是静止的，笔就会划出一条直线；