Bluecaps
n. 【植物】矢车菊(Centaurea cyanus)；【鸟类】青山雀
🗣️ 情景例句
Excuse me, where can I find the shoe polish?
问一下，我到哪儿能买到鞋油？
We can't make a decision without knowing the facts.
我们不能不知道事实，就作决定。
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。