Dianionic surfactant
[化] 双阴离子表面活性剂
🧩 词语组成解析
[化] 表面活性剂\\n[医] 表面活性剂, 表面活化剂
🗣️ 情景例句
If only Robbie and Alexandra were here.
要是Robbie和Alexandra在这儿多好。
Is this a live program?
这是不是现场广播节目？
A temporary rudder was made on board from spare planks and it was fitted with great difficulty.
船员用备用的木板在船上赶制了一只应急用的舵，并克服重重困难将舵安装就位，