Tribometry
摩擦力测量术
🗣️ 情景例句
I feel so bad for him.
我为他难过。
Thank you for your kind cooperation.
谢谢您的合作。
Aunt Harriet presided over an invisible army of servants that continuously scrubbed, cleaned, and polished.
哈丽特姑妈统率着一支看不见的佣人大军，他们不停地擦拭、清扫、刷洗。