Arithmatic
算术
🗣️ 情景例句
It's five years ago.
那是五年前了。
I have a runny nose.
我流鼻涕。
I immediately embarked on an experiment which, even though if failed to get rid of the ants, kept me fascinated for twenty-four hours.
我当即动手作了一项试验，这项试验尽管没有使我摆脱这些蚂蚁，却使我着迷了24小时。