Femtogram
毫微微克(10的-15次方克)
🗣️ 情景例句
Most boys like baseball, but he is an exception.
大多数的男孩喜欢棒球，但他是个例外。
Thank you. It was very kind of you.
谢谢，您太好了。
I was in the kitchen cooking something and I felt the floor move.
我正在厨房煮东西，感到地板在震动。