Spiran
[机] 螺环化合物
🗣️ 情景例句
And when I see an opportunity,
而且当我一看到机会，
Be my guest.
请便、别客气
Some people think that the weather is unpleasant, the city ugly and dirty, the competition fierce and the streets unsafe.
有些人认为，这儿的气候不佳，市容丑陋肮脏，竞争激烈，街上不安全。