It is regrettable that he has passed away.
令人遗憾的是你不能和我们一起去旅游。
It is regrettable that Tom should leave so soon.
真遗憾汤姆这么快就要离开了。
It is regrettable that you should make such a remark.
很可惜你竟然说这些话。
It is regrettable that minocycline are still not completely remove the virus.
但遗憾的是二甲胺四环素人仍不能完全去除病毒。
It is regrettable that minocycline are still not completely remove the virus.
但遗憾的是二甲胺四环素人仍不能完全去除病毒。
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