Metallocycle
[机] 金属环状物
🗣️ 情景例句
I care about new fixtures in the hallways--
我关心走廊的新灯具，
Does it make any difference to you whether we have our lesson at two o'clock or at three o'clock?
我们在两点上课还是在三点上课，你觉得有关系吗？
What's the matter with you?
你怎么啦？