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铅硼玻璃, 诺耐克斯玻璃
🗣️ 情景例句
If you educate the public about dangerous diseases they can protect themselves, which will help to halt the spread.
如果你能教育公众如何来防治危险疾病，他们就能够保护好他们自己，从而阻止疾病的传播。
Thanks for the advice,but this is something I have to figure out myself.
谢谢忠告，但是这必须由我自己解决。
But as the paper moved from side to side under the pen point,
由于纸在笔尖下来回运动，