So now, the enzyme is locked up with being built, and the penicillin has effectively killed the bacteria.

所以这是我第一次感受到,我想在单个原子的层面上思考这些分子,所以这时我的专业转到了化学方向。

麻省理工公开课 - 化学原理课程节选

and kind of trending my degree more towards business than towards counseling.

因此，我将我的专业发展方向由心理辅导类转向了商业类。

已经成经济学学徒了 - SpeakingMax英语口语达人