Flosculariacea
簇轮虫亚目
🗣️ 情景例句
OK, Danny.
好啦 ，Danny。
All things are difficult before they are easy.
凡事都是先难后易。
for fear the agents of other firms should be able to trace the kind of research they are likely to be undertaking.
他们生怕别的公司的情报人员据此摸到他们可能要从事的某项科研项目。