Polyadenylic acid
多（聚）腺苷酸
🧩 词语组成解析
🗣️ 情景例句
I take the next left turn to the stop sign.
我在下个路口左转弯， 到一个停车再开标志处，
Knowledge comes from experience alone.
知识来自经验。
Whenever the Italian city-states were at war with each other, Hawkwood used to hire his soldiers to princes who were willing to pay the high price he demanded.
每次意大利各城邦之间打伏，霍克伍德把他的士兵雇佣给愿给他出高价的君主。