Becanthone
[化] 贝恩酮
🗣️ 情景例句
Learning foreigh languages should be fun.
学习外语应该是乐趣无穷的。
I'm going to buy five pieces.
我要买五片。
But instruments far more delicate than that were needed if any really serious advance was to be made.
但是，如果要取得真正重大的进展，需要有比这种装置精细得多的仪器。