Sighting agent
[化] 可视指示剂
🧩 词语组成解析
sighting
[['saitiŋ]]
n. 照准；瞄准；视线
🗣️ 情景例句
it takes a little bit of money to run a campaign.
竞选活动需要花一些钱。
I can come any day except Thursday.
我除了星期四任何一天都能来。
They devise hundreds of competitions which will enable us to win huge sums of money.
他们设计数以百计的竞赛，竞赛中有人可赢得巨额奖金。