Estin
棘青霉素
🗣️ 情景例句
Good-bye.
再见。
I must admit I had my doubts.
我必须承认我当初是我疑虑的。
The albatross is the king of the gliders, the class of fliers which harness the air to their purpose, but must yield to its opposition.
信天翁是滑翔飞行的鸟类之王，它能自如地驾驭空气，但必须顺气流飞行。