Step addition polymer
[化] 逐步加成聚合物
🧩 词语组成解析
step
[stɛp]
n. 步，脚步;步骤，手段;步调;级别;
vt.& vi. 举步，行走;踩，踏上;跨入;轻快地走;
vi. 踏，踩;走;
vt. 跳舞;迈步;使成阶梯状;
addition
[ə'diʃən]
n. 加，增加，附加;[数]加法;增加的人或事物;
🗣️ 情景例句
It's nice meeting you.
很高兴认识你。
Please be serious for a minute, this is very important.
请严肃点，这件事很重要。
Victorian parents believed that they kept their dignity by retreating behind an unreasoning authoritarian attitude;
维多利业时代的父母认为，他们可以靠无理的权威气派来维护自己的尊严，