Oleosol
油溶胶; 润滑脂
🗣️ 情景例句
are important for the sales of your book.
对于你这本书的销售很重要。
Walk, don't run, to the nearest exit.
从最近的出口出去，别瞎跑。
There should always be exceptions to the rule.
凡事总有例外。