n. 戒指,指环;铃声,钟声;环形物;拳击场;
vt. 形成环状;环绕;使(例如铃)响;打电话给;
vi. 按铃,敲钟;回响;成环形;
🗣️ 情景例句
Me, too.
我也一样。
Do not cut down the tree that gives you shade.
不要忘恩负义。
Some of the bigger firms are engaged in researches which are of such general and fundamental nature that it is a positive advantage to them not to keep them secret.