Femtogram
毫微微克(10的-15次方克)
🗣️ 情景例句
Will it cost for the transfer?
转车要钱吗？
Do you have a coin for the phone?
你有打电话的硬币吗？
He owes his success more to luck than to ability.
他认为他的成功是靠运气而不是因为自己的能力。