Pentaose
[化] 戊糖
🗣️ 情景例句
Don't you feel well?
你感觉不好吗？
So I've heard.
我听说是这样。
Finding planets is proving hard enough, but finding life on them will prove infinitely more difficult.
寻找行星证明相当困难，但是要在行星上发现生命会变得无比艰难。