Kalisaltpeter
钾硝石
🗣️ 情景例句
The rules can be applied to any case.
这规则可适用于任何情况。
By falling we learn to go safely.
吃一堑，长一智。
An earthquake comes like a thief in the night, without warning.
地震就像夜间的小偷，不打招呼就来了。