Optional equipment
[计] 任选设备\\n[化] 附加设备
🧩 词语组成解析
🗣️ 情景例句
He's got eyes like a cat.
他的眼像猫的一样。
Please send your report to me at the office by Monday.
请于周一以前将报告送到我的办公室。
Everyone knows that if he shouts in the vicinity of a wall or a mountainside, an echo will come back.
大家都知道，在墙壁或山腰附近发出的喊声，就会听到回声。