🗣️ 情景例句
An individual's sex and characteristics are determinded by their unique set of genes.
个人性别和性格是由他们特有的一套基因决定的。
She is easily excited.
她容易激动。
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。