Spastolith
变形鲕状岩
🗣️ 情景例句
I want to end our relationship.
我想结束咱俩的关系。
I suppose it's difficult for you to do this.
我推测对你来说做这件事情是很困难的。
Those planning a trip to remote areas, or intending to live in countries where drinking water is not readily available, should know about the various possible methods for making water safe.
那些计划去偏远地区旅行，或在饮用水不现成的国家居住的人，应该知道如何使水适于饮用的各种办法。