Santocel
硅酸盐
🗣️ 情景例句
She's quite used to treading the catwalk.
她已经习惯了走猫步。
Who assumes shipment cost?
谁负担运费呢？
Soon the errors will have multiplied to the ten-foot scale,
很快这种偏差会增加到10 英尺的范围，