Methylpentene polymer
[建] 甲基戊烯聚合物
🧩 词语组成解析
🗣️ 情景例句
Growing up without a mother is difficult.
在没有母亲的情况下长大不简单。
If the sky falls,we shall catch larks.
天垮正好抓云雀；不要杞人忧天。
In cities he refused to travel in a rickshaw, a two-wheeled cart pulled by a bare-footed man.
在城里，他拒绝乘坐那种赤脚车夫拉的两轮人力车。