Pentonic acid
[化] 戊糖酸\\n[医] 戊糖酸
🧩 词语组成解析
🗣️ 情景例句
T-bone steak is a very popular cut.
T型的肉排非常受欢迎。
Work has a bitter root but sweet fruit.
劳动根虽苦，然而果实甜。
later, we shall undergo a progressive loss of our vigour and resistance which, though imperceptible at first,
再迟一些，我们就要经历生命力和抵抗力逐步衰退的过程。虽然这个过程起初难以觉察，