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
We had such a good time at the aquarium.
我们在水族馆玩得真开心。
The first step is the only difficulty.
万事起头难。
Meanwhile, his unit was lost and all records of him had been destroyed.
与此同时，他所在部队被击溃，他的所有档案材料全部毁于战火。