Beall
n. 北奥（品牌名称）\\nn. (Beall)人名；(英)比尔
🗣️ 情景例句
He has been friendlier lately.
他近来更友好了。
She is sick in bed.
她卧病在床。
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。