Tfe
[医][=trifluoroethanol]三氟代乙醇
🗣️ 情景例句
You made a tough decision.
你做了一个困难的决定。
How often did I tell you not to say a word?
我告诉你多少次不要讲话?
And Chinese, Korean, Filipino and Indian engineers are graduating in droves from California's colleges.
中国、韩国、菲律宾和印度的工程师一批批地从加州的大学毕业。