Barras
[机] 含油树脂, 软树脂
🗣️ 情景例句
Especially when it comes to speaking in English and fortunately or unfortunately.
特别是要用英文来演讲，不知是幸运还是不幸。
Do one's level best.
尽力而为。
These drawings on the wall are process sheets.
墙上的图表是工艺流程表。