Complexant
配位剂
🗣️ 情景例句
We're lost, can you help us figure out where we are?
我们迷路了，你能告诉我们现在我们在哪儿吗？
What are you playing?
你正在玩什么？
During the day, sleep comes in snatches.
白天是忽睡忽醒，