Phthienoate
结核菌烯酸盐
🗣️ 情景例句
Good morning. This is Huang Feng.
早上好，我叫黄凤。
Nice to meet you.
很高兴认识你。
In man's early days, competition with other creatures must have been critical.
在人类早期，人类与其他生物的竞争一定是必不可少的。