Msus
abbr. midstream urine specimen 中流尿标本
🗣️ 情景例句
They always were,
他们过去如此，
A clear conscience is a soft pillow.
问心无愧，高枕无忧。
They all looked at a big and noisy machine in another corner of the machine shop.
他们全都看着机械车间另一角落的一台又大又嘈杂的机器。