Trisphaeridine
三球定
🗣️ 情景例句
The annual school sports meet is held in March.
每年一次校运会在三月份举行。
I'm afraid I've let myself get run-down. I've been working too hard.
我似乎弄坏身体了。最近太过劳累。
It is hard for us to realize nowadays how difficult it was for the pioneers.
我们今天很难想像昔日的登山先驱们是多么艰苦。