Coak
扣榫； 栓销 sunk coak (木工)凹榫槽
🗣️ 情景例句
It was very thoughtful of you to send flowers.
你送花来，想得真周到。
Hang on, please.
请等一下。
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。