Sinetable
正弦台
🗣️ 情景例句
A diamond of this size is unique.
这种尺寸的钻石是独一无二的。
How long will you be staying in hong kong?
你将待在香港多久？
He's only forty-one years old, and he has already been to nearly every country in the world.
他只有41岁，但他却过世界上几乎每一个国家。