D-reactive dyes
[化] D型反应染料
🧩 词语组成解析
reactive
[[ri'æktiv]]
a. 反动的, 反应的\\n[医] 反应的
n. 染料, 染色（dye复数形式）
🗣️ 情景例句
He came down with the flu, so he didn't go to work.
他感冒了，所以没去上班。
He's not in. May I take a message for him?
他不在，我能替他捎个口信吗？
So was born the echo-sounding apparatus, now in general use in ships.
这样就产生了目前各种船舶上普遍应用的回声探测仪。