Ecd
[化] 电子捕获检测器
🗣️ 情景例句
Eleven o'clock, approve the sketches for the toy spaceship.
十一点钟， 批示玩具太空船的草图。
The problem has been bothering me for weeks.
那个问题已经困扰了我几个星期。
For one thing they keep the water clean.
一来，水下植物可以保持水的清洁。