Subpicogram
微微克以下
🗣️ 情景例句
Richard tells me you're a doctor.
Richard告诉我您是医生。
Dick is very modest about his accomplishments.
迪克对自己的业绩非常谦虚。
It comes nearer to the engines with which man has 'conquered' the air, as he boasts.
它更近乎于人类自夸的“征服”了空气的发动机。