Gamotropism
配子向性
🗣️ 情景例句
We appreciate your interest in our firm, however, and thank you for writing.
我们感谢你对我们公司表示的兴趣，谢谢你的来信。
I can't afford it.
我买不起。
below 20 per cent, its bactericidal action is negligible.
浓度低于20％时，杀菌能力基本上就不存在了。