At the height of the d. o. t-c. o. m bubble, we solicited online donations at $5 a piece.
在网络泡沫达到至高点时，我们曾在网上以一次5美元为单位要求获得捐款。
2
Hartung has a doctorate in biochemical pharmacology from the university of constance in germany and an m . d . in toxicology from t bingen university.
哈东拥有德国康士坦士大学的生化药理学博士学位，以及杜宾根大学主攻毒物学的医学学位。
3
Shockley earned a bachelor's degree from Caltech, and a Ph. D. at M. I. T. for a dissertation titled "Calculations of Wave Functions for Electrons in Sodium Chloride Crystals."