Polymethylmethacrylate
聚甲基丙烯酸甲酯, 有机玻璃
🗣️ 情景例句
There's Mother and Grandpa ...
有妈妈和祖父呢……
The husband mows his lawn on Saturdays.
那位丈夫在每个周六修剪草坪。
Although being early may mean wasting a little time, this will be less than if you miss the train and have to wait an hour or more for the next one;
虽然早到可能意味着浪费一点时间，但这比误了火车等上一个多小时坐下班车浪费的时间要少，