Chemical substance
化学物质
🧩 词语组成解析
🗣️ 情景例句
Oh, not at first.
噢， 没有马上找到。
I'm hoping to spend a few days in the mountains.
我正在希望到在山上过一些天。
that the traveller abroad thereby denies himself the opportunity of getting to know the people of the country visited.
说这种封闭的作法使到国外旅游者失去了了解所去国家人民的机会。