Enteropneusta
肠鳃类
🗣️ 情景例句
She was sick so the didn't attend her classes.
她生病了，所以没上学。
She took an aspirin to relieve her headache.
她吃了一片阿斯匹林以解头痛。
many of them serious and senior scientists---- who dream of sending people to it.
其中的不少人是认真和资深的科学家，他们一直梦想着把人送上火星。