Mesonephridium
中胚肾
🗣️ 情景例句
Listen, Richard,doing aerobics for an hour is a lot different than lifting weights.
听着， Richard，一小时的有氧运动可与举重大不相同。
Never put off till tomorrow what you can do today.
今天能做的事绝不要拖到明天。
To know everything is to know nothing.
样样通，样样松。