Delrin
迭尔林(聚甲醛树酯)
🗣️ 情景例句
I attended college on an athletic scholarship.
我靠体育奖学金上的大学。
Be considerate toward the poor.
应常为穷人着想。
This wonderful plane can carry seven passengers.
这架奇妙的飞机可以载7名乘客。