Bondstone
n. 束石, 系石
✅ 同义词
🗣️ 情景例句
I take care of both to the best of my ability.
我尽我所能把两方面都照顾好。
I'll keep my eyes on.
我会留意的。
It was upon this principle that the first instruments were made,
据这一原理，制造出了最初的地震仪器，