Kevlar
[化] 凯芙拉
🗣️ 情景例句
It is important to speak directly and clearly about your subject.
直接了当且明白清楚地说明自己的目的是很重要的。
John took a glance at the beautiful women.
约翰瞄了一眼那个美丽的女人。
Great efforts ensure the success of our work.
巨大的努力确保了我们工作的成功。