Sight indicator
[化] 可视指示剂
🧩 词语组成解析
sight
[saɪt]
n. 视力;看见;视野;景象;
vt. 看见，发现;瞄准;观察;调准瞄准器;
vi. （用仪器）瞄准;观察;
indicator
['ɪndɪketɚ]
n. 指示器;[化]指示剂;指示者;
🗣️ 情景例句
Now that the technical problems have been settled,
既然有关技术问题已经解决，
Don't forget to put stamps on the letter before you mail it.
不要忘记在寄信以前把邮票贴在信封上。
What will the money be used for?
这钱打算怎么用？