Resistal
耐蚀硅砖
🗣️ 情景例句
And good luck! I've got to go.
祝你好运 我得走了。
Mr. Smith is still in his fifties.
史密斯先生仍然50几岁。
but the paper was wrapped round a drum which rotated slowly.
根但是纸是卷在慢慢旋转的圆筒上的。