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 was tough, but I made it. I'm a college graduate.
那虽然不简单， 但我成功了。 我现在是一名大学毕业生了。
Well, I think it's time we get back to business.
哦，我认为我们该回到正题上了。
It wasn't easy to win the match. No. 64 Middle School is really a strong team.
赢这场球不容易。第64中学的的确是一支强队。