Esterweld
埃斯特韋爾德聚酯長絲
??? 情景例句
That's beautiful!
太完美了，真棒！
Mr. Green, Mr. Smith is here.
格林先生，史密斯先生在這里。
But I'm worried about his Chinese.He may fall behind the other students when he comes back.
但我擔心他的中文。等他回來后，他可能會落到其他同學后面。