Fomite
污染物
🗣️ 情景例句
He's like a little doll.
他像个小洋娃娃。
I think it's going to take at least 2 days.
我认为它将花至少两天时间。
The first question to answer is whether a planet can actually support life.
第一个需要解答的问题是一颗行星是否有能够维持生命的条件。