🗣️ 情景例句
He was very helpful to me, remember?
他帮过我大忙， 记得吗？
Do you usually do arithmetic on Sunday?
你通常在星期日做算术吗？
The most economical age to capture an elephant for training is between fifteen and twenty years,
捕捉15至20岁之间年龄的大象进行驯练最为经济。