Tetrahydroxyflavanol
四羟基黄酮醇
🗣️ 情景例句
How are you getting on with your studies?
你功课情况如何？
Fine words butter no parsnips.
画饼充饥。
He may never be sure where the next meal is coming from, but his is free from the thousands of anxieties which afflict other people.
他可能从不知道下顿饭有无着落，但他不像有人那样被千万桩愁事所折磨。