Ribonucleic
a. 核醣核酸
🗣️ 情景例句
It's locked.
它锁着。
Do you want to remit the money by air mail or by cable, sir?
您想要航空信还是电汇，先生？
Rays from the sun excite and energize the atmosphere of the earth,
太阳光刺激了地球的大气层，并给予它能量；