I see that your listed price for the K-two-one model is ten US dollars.
你们K - 2 - 1型的标价是美金十块钱。
2
The spring constant k equals ten newtons per meter, and the mass of the object is 0.1 kilograms.
弹簧常数k等于,牛顿每米，物体的质量，是0。1千克。
3
It was two days before Christmas. Everything went wrong with me. I was due at my post — the toy department at K-Mart at eight. But I was ten minutes late, because I overslept.