Renaud
雷诺（人名）
🗣️ 情景例句
and cheese sandwiches for lunch.
和起士三明治当午餐。
I played downstairs last night.
我昨晚在楼下玩。
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。