Arcsin
abbr. arcsine 反正弦
🗣️ 情景例句
555-9470…and it's busy….
555-9470……还是忙音 ……
He uses clay to form images of people.
他利用粘土造各种的人像。
It is best to keep to hot drinks, bottled or canned drinks of well-known brand names----
最好仅饮用开水，名牌瓶装或罐装水