Batalbra
巴塔尔布拉铜基合金
🗣️ 情景例句
I can't go another step because I'm pooped.
我一步也走不动了，我已经精疲力尽了。
I should not hesitate a moment to prefer the latter.
我会毫不犹豫地选择后者。
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。