Holothurin
海参素
🗣️ 情景例句
I'd like to come to the ten o'clock advanced class this morning.
我想今早十点来上你的高级健身班。
Waste of time is the most extravagant and costly of all expenses.
浪费时间是一切花费中最奢侈豪华的费用。
What's your job?
你是做什么工作的？