Ceride
鈰系元素
??? 情景例句
The pleasure is all mine.
這是我的榮幸。
One party is entitled to cancel the contract if the other side cannot execute it.
如果一方不履行合同，另一方有權取消合同。
for fear the agents of other firms should be able to trace the kind of research they are likely to be undertaking.
他們生怕別的公司的情報人員據此摸到他們可能要從事的某項科研項目。