Polydeoxynucleotide
[醫(yī)]多聚脫氧核苷酸
??? 情景例句
Yes. And you must be Susan. Hi.
是的。 一定是Susan了。嗨
I've bee invited over to a friend's, and you?
有個(gè)朋友請(qǐng)我去作客，你呢？
Ships may be delayed by storms; flights may be cancelled because of bad weather, but trains must be on time.
輪船船期可能因風(fēng)暴而推延，飛機(jī)航班可能因惡劣天氣而取消，唯有火車必然是準(zhǔn)點(diǎn)的。