Photonon
光钟
🗣️ 情景例句
My parents are expecting to see good grades this semester.
我父母希望我这个学期取得好成绩。
The thread breaks where it is weakest.
线断常在最细处。
international standards of water treatment are usually followed at bottling plants.
装瓶厂通常遵循国际水处理的标准。