Tonify
补养
🗣️ 情景例句
ready for the graduation ceremony,
为毕业典礼做准备，
What time does the first train to Boston leave?
第一班去波士顿的列车什么时间开出呢？
Oh, good! He's coming down the ladder, now.
噢，好！现在他正从梯子上爬下来。