Bdt
嗜碱粒细胞脱颗粒试验(basophil degranulation test)
🗣️ 情景例句
But what can I do?
但我能帮什么忙？
Now that I have to stand up to introduce myself.
我不得不站起来介绍一下我自己。
and by measuring the time interval between the taps and the receipt of the echoes, the depth of the sea at that point can be calculated.
测出回声间隔的时间，便可算出该处海洋的深度。