Phenylacetyl
苯乙酰
🗣️ 情景例句
Turn the key before you pump the pedal, or you'll flood the engine.
加水之前转动钥匙，要不发动机就给浇灭了。
You can receive our program at short wave 37.5 MH.
你可在短波37.5赫兹上收到我们的节目。
Here is a cheque for 4,725,466.
这是一张4，725，466美元的支票。