Poly(isophthaloyl metaphenylene diamine) fibre
[化] 聚间苯二甲酰间苯二胺纤维; 芳纶1313
🗣️ 情景例句
Good afternoon, Mrs. Martin. I've come to see Mr. Martin.
您好,马丁夫人。我来看看马丁先生。
My little brother takes a bath before he goes to bed at night.
在他晚上睡觉以前,我的弟弟要洗一下澡。
The skins were used for making tents and water containers.
还可以用野牛皮制作帐蓬和装水的容器。
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