Boryl
硼(烷)基
🗣️ 情景例句
Keep it down!
小点儿声！
It's a waste of time.
这是浪费时间。
They had a definite meaning, for they were as near as early man could get to writing.
它们有着一定的含义，因为它们已接近古代人的文字形式。