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光電波形[函數(shù)]發(fā)生器
??? 情景例句
Sorry, I just like to watch almost all kinds of ball games. I'm strictly spectator.
對不起，我僅僅喜歡觀看幾乎所有的球類比賽，我是個(gè)十足的觀眾。
A bad thing never dies.
壞事傳千年。
The tree has grown against a warm wall on a sheltered side of the house.
那棵樹是靠著房子有遮擋的一面暖墻生長的。