Queletox
倍硫磷
🗣️ 情景例句
since ten this morning,
从今天上午十点起，
I eat dinner at about 7 o'clock.
我在大约7点钟吃晚饭。
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。