Trecator
乙基吡啶碳硫酰胺
??? 情景例句
Sunrises. Stretch it out. Flat back.
雙手捧日。盡量伸展。平背拉回。
Discontent is the first step in progress.
不知足是前進中的第一步。
Instruments have been devised and can be so placed that all three elements can be recorded in different graphs.
已經設計出了一些儀器，它按照一定的安放方式就可測繪出這三種運動的曲線圖。