87
eighty-seven
🗣️ 情景例句
OK.
好的。
As a senior, Peter is writing his thesis.
作为大学四年级学生，彼得正在写毕业论文。
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。