Pentose nucleic acid (pna)
[化] 戊糖核酸
🧩 词语组成解析
n. [生化]戊糖
a. 核的
🗣️ 情景例句
Terrific!
了不起！
Constant dropping wears away a stone.
滴水穿石。
She returned to the shop the following morning dressed in a fur coat, with a handbag in one hand and a long umbrella in the other.
第二天上午，她又来到这家商店，穿了一件裘皮大衣，一只手拎着一只手提包，另一只手拿着一把长柄伞。