Poly(vinyl acetal)
[化] 聚乙烯醇缩乙醛; 聚乙烯醇缩醛
🗣️ 情景例句
And we brought someone along who can help.
而且我们带来了能帮助我们的人。
This writer uses vivid descriptions in his writings.
这个作家在他的文章使用生动的描述。
and a very firm hand must be employed in the early stages.
因此开始阶段需要有一位强有力的老手。