Tribological
a. 摩擦学的
🗣️ 情景例句
lots of things to do.
许多事情要做。
Discontent is the first step in progress.
不知足是前进中的第一步。
The Americans would happily reach one accord on standards for medical devices and them hammer out different pacts covering,say,
美国人很愿意就医疗器械的标准达成一个协议，然后推敲出不同的合同，用以涵盖 --比如说