Ladder polymer
[化] 梯形聚合物
🧩 词语组成解析
ladder
['lædɚ]
n. 梯子，阶梯;梯状物;途径;（紧身裤袜或长筒袜的）滑丝;
vi. 使（袜子）发生抽丝现象;像长筒袜一样抽丝;
🗣️ 情景例句
Do you come here for the sports game or sightseeing?
您来这儿是参加运动会，还是观光的？
Don't forget to write to let us know you arrived safely.
不要忘记写信回来，告诉我们你已经安全抵达。
At last he said,I think I can help him. He'll be OK if I do one small operation.
“我想我能治他的病。只要我给他做一个小手术，他就会好的。”